Keyword Analysis & Research: strpos array php

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What is strposm in PHP?

<?php * A strpos variant that accepts an array of $needles - or just a string, * so that it can be used as a drop-in replacement for the standard strpos, * and in which case it simply wraps around strpos and stripos so as not * to reduce performance. * The "m" in "strposm" indicates that it accepts *m*ultiple needles.

What does strpos do?

strpos('x'.$haystack, $needle, 1) The 'x' is simply a garbage character which is only there to move everything 1 position. The number 1 is there to make sure that this 'x' is ignored in the search. This way, if $haystack starts with $needle, then the function returns 1 (rather than 0).

How to prevent strpos from returning 0?

The most straightforward way to prevent this function from returning 0 is: strpos('x'.$haystack, $needle, 1) The 'x' is simply a garbage character which is only there to move everything 1 position. The number 1 is there to make sure that this 'x' is ignored in the search.

What is the difference between stripos and strripos?

stripos() - Finds the position of the first occurrence of a string inside another string (case-insensitive) strripos() - Finds the position of the last occurrence of a string inside another string (case-insensitive)


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