How to remove the first dot in php

Removal method: 1. Use stripos() to get the position of the first point, the syntax is "stripos($str,".")"; 2. Use substr_replace() to replace it based on the obtained position. Replace with null character, syntax "substr_replace($str,"",position,1)".

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

If a string contains multiple dot characters ".", then how to remove the first point? Here's how to use php to remove the first dot of a string.

php method to remove the first dot

1. Use stripos() to get the occurrence position of the first dot character "."

<?php
$str = "1.2.3.4.5.6.7";
echo stripos($str,".");
?>

Because string counting starts from 0, 1 is returned.

2. Use the substr_replace() function to replace the character with an empty character according to the obtained position

<?php
$str = "1.2.3.4.5.6.7";
echo substr_replace($str,"",stripos($str,"."),1);
?>

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