Daily sharing of PHP technical knowledge (high quality)

• Chapter1 PHP technical knowledge shared daily
• 1-1 "Two common methods for converting PHP arrays to strings" 2018.9.8
• 1-2 "PHP Gets the Current Time and Sets the Time Zone and Common Interview Questions" 2018.9.8
• 1-3 "PHP file upload information analysis and encapsulation upload method" 2018.9.8
• 1-4 "PHP method to obtain file byte size and encapsulate normal size" 2018.9.10
• 1-5 "Two methods of connecting to MySQL database using native PHP" 2018.9.12
• 1-6 "PHP native implementation of database paging effect" 2018.9.12
• 1-7 "PHP gets the content of txt file and converts it to an array" 2018.9.13
• 1-8 "Configuration and use of PHPStorm's error debugging tool xdebug" 2018.9.14
• 1-9 "Multiple ways to break out of loop statements in PHP that you may encounter in interviews" 2018.9.14
• 1-10 "The PHP judgment that you may encounter in the interview whether the variable has a value and whether the value is empty" 2018.9.14
• 1-11 "PHP reads Excel table information and content" 2018.9.15
• 1-12 "Add text watermark to images with PHP" 2018.9.15
• 1-13 "Various uses of curly braces in PHP strings" 2018.9.15
• 1-14 "Special functions nested functions in PHP" 2018.9.17
• 1-15 "PHP Multiple File Upload—Method 1" 2018.9.17
• 1-16 "PHP Multiple File Upload—Method 2" 2018.9.17
• 1-17 "Two methods for writing file content in PHP" 2018.9.18
• 1-18 "Two methods for reading file content in PHP" 2018.9.18
• 1-19 "Array serialization and deserialization in PHP" 2018.9.18
• 1-20 "Multiple ways to get file extensions in PHP" 2018.9.19
• 1-21 "Two ways to add content to the end of a file in PHP" 2018.9.19
• 1-22 "Convert PHP array to json format and reverse json conversion" 2018.9.19
• 1-23 "Windows system installation composer" 2018.9.20
• 1-24 "Installing ThinkPHP5.1 Framework through Composer" 2018.9.20
• 1-25 "PHP Bubble Sort" 2018.9.20
• 1-26 "PHP Recursive Sorting" 2018.9.21
• 1-27 "PHP Unlimited Classification (1)" 2018.9.21
• 1-28 "PHP Unlimited Classification (2)" 2018.9.21
• 1-29 "Installing Laravel Framework" 2018.9.25
• 1-30 "Exclude space elements from PHP arrays" 2018.9.25
• 1-31 "How to create multi-level directories in PHP" 2018.9.25
• 1-32 "Multiple ways to get images in PHP" 2018.9.26
• 1-33 "Two methods to check whether the email is correct in PHP" 2018.9.26
• 1-34 "String Flip in PHP" 2018.9.26
• 1-35 "PHP intercepts Chinese and English mixed strings without garbled characters" 2018.9.27
• 1-36 "Three ways to implement page redirection in PHP" 2018.9.27
• 1-37 "PHP removes duplicate elements from an array" 2018.9.28
• 1-38 "implementing a simple countdown in PHP" 2018.9.28
• 1-39 "PHP Encodes and Decodes Chinese in Url" 2018.9.28
• 1-40 "PHP Gets the Key and Value of the Last Element in an Array" 2018.9.29
• 1-41 "Tips for replacing strings in PHP" 2018.9.29
• 1-42 "Detailed explanation of delimiters in PHP" 2018.9.29
• 1-43 "PHP removes duplicate elements in two-dimensional array" 2018.10.9
• 1-44 "PHP escape and restore string data" 2018.10.9
• 1-45 "Full Arrangement Algorithm for PHP Strings" 2018.10.9
• 1-46 "PHP Calculates the Difference between the Maximum and Minimum Values ​​in an Array" 2018.10.10
• 1-47 "PHP production verification code" 2018.10.10
• 1-48 "PHP Upload Video" 2018.10.10
• 1-49 "Open GD library in PHP and verify" 2018.10.11
• 1-50 "PHP implements odd-even sorting of array elements" 2018.10.11
• 1-51 "PHP counts character repetitions" 2018.10.12
• 1-52 "PHP continuously writes content to the file header" 2018.10.12
• 1-53 "Session storage and deletion of variables in PHP" 2018.10.13
• 1-54 "PHP uses session to record user login information" 2018.10.13
• 1-55 "PHP uses session to determine whether the user is logged in" 2018.10.13
• 1-56 "PHP solves the problem of garbled fonts and garbled images displayed" 2018.10.15
• 1-57 "Cookie recording variables and deleting variables in PHP" 2018.10.17
• 1-58 "PHP Website Visits Text Calculator" 2018.10.17
• 1-59 "PHP uses cookies to record user login information" 2018.10.18
• 1-60 "PHP uses cookies to determine whether the user is logged in" 2018.10.18
• 1-61 "PHP uses addresses to obtain latitude and longitude—Tencent Map (1)" 2018.10.20
• 1-62 "PHP uses addresses to obtain latitude and longitude—Tencent Map (2)" 2018.10.20
• 1-63 "PHP uses addresses to obtain latitude and longitude - Baidu Map (1)" 2018.10.20
• 1-64 "PHP uses addresses to obtain latitude and longitude - Baidu Map (2)" 2018.10.22
• 1-65 "jQuery form submission verification (1)" 2018.10.22
• 1-66 "jQuery form submission verification (2)" 2018.10.22
• 1-67 "PHP simply processes data submitted by post" 2018.10.23
• 1-68 "Using PHPstudy to create a local site (Method 1)" 2018.11.7
• 1-69 "Using PHPstudy to create a local site (Method 2)" 2018.11.7
• 1-70 "PHP Installation of Redis Extension" 2018.11.10