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run code in 150+ php & hhvm versions
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<?php $text = "PHP [gallery-1]. [gallery-2]"; if (preg_match_all("/\bgallery-\b/i", $text, $matches, PREG_OFFSET_CAPTURE)) { // print_r($matches); $matches = $matches[0]; if(is_array($matches)) { foreach($matches as $match) { print_r($match); } } // $position = $matches[0][0][1]; } else { echo "A match was not found."; }
Output for 4.3.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => gallery- [1] => 5 ) Array ( [0] => gallery- [1] => 18 )
Output for 4.3.0 - 4.3.2
Warning: Wrong value for parameter 4 in call to preg_match_all() in /in/8uLK4 on line 5 A match was not found.