php find in string code example

Example 1: php check if string contains word

$myString = 'Hello Bob how are you?';
if (strpos($myString, 'Bob') !== false) {
    echo "My string contains Bob";
}

Example 2: php chech if string contains

$a = 'How are you?';

if (strpos($a, 'are') !== false) {
    echo 'true';
}

Example 3: strpos in php

<?php
$mystring = 'abc';
$findme   = 'a';
$pos = strpos($mystring, $findme);

// Note our use of ===.  Simply == would not work as expected
// because the position of 'a' was the 0th (first) character.
if ($pos === false) {
    echo "The string '$findme' was not found in the string '$mystring'";
} else {
    echo "The string '$findme' was found in the string '$mystring'";
    echo " and exists at position $pos";
}
?>

Example 4: php needle haystack

//Find the position of the first occurrence of a substring in a string
$mystring = 'abc';
$findme   = 'a';
$pos = strpos($mystring, $findme);

Example 5: php find string in string

$pos = strpos("find the position of X in here", "X");

Example 6: php find text in variable

if(strpos($comments, 'http://') !== false) {