3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $search = preg_quote('test'); $pattern = '#([^ ]+ ){0,10}'.$search.'( [^ ]+){0,10}#'; $res = preg_match_all($pattern,'write your test data here',$regs); var_dump($regs); $res = preg_match_all($pattern,'test data here',$regs); var_dump($regs); $res = preg_match_all($pattern,'write your test',$regs); var_dump($regs); $res = preg_match_all($pattern,'not found at all',$regs); var_dump($regs); $res = preg_match_all($pattern,'write your test data found more than once test here ',$regs); var_dump($regs);
based on K5jtg
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> array(1) { [0]=> string(25) "write your test data here" } [1]=> array(1) { [0]=> string(5) "your " } [2]=> array(1) { [0]=> string(5) " here" } } array(3) { [0]=> array(1) { [0]=> string(14) "test data here" } [1]=> array(1) { [0]=> string(0) "" } [2]=> array(1) { [0]=> string(5) " here" } } array(3) { [0]=> array(1) { [0]=> string(15) "write your test" } [1]=> array(1) { [0]=> string(5) "your " } [2]=> array(1) { [0]=> string(0) "" } } array(3) { [0]=> array(0) { } [1]=> array(0) { } [2]=> array(0) { } } array(3) { [0]=> array(1) { [0]=> string(51) "write your test data found more than once test here" } [1]=> array(1) { [0]=> string(5) "once " } [2]=> array(1) { [0]=> string(5) " here" } }