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run code in 300+ PHP versions simultaneously
<?php $search = preg_quote('test'); $extra_words = 3; $pattern = '#([^ ]+ ){0,'.$extra_words.'}'.$search.'( [^ ]+){0,'.$extra_words.'}#'; $res = preg_match_all($pattern,'some more text write your test data found more than once test here ',$regs); var_dump($regs);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> array(2) { [0]=> string(36) "text write your test data found more" [1]=> string(19) "than once test here" } [1]=> array(2) { [0]=> string(5) "your " [1]=> string(5) "once " } [2]=> array(2) { [0]=> string(5) " more" [1]=> string(5) " here" } }

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