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run code in 200+ php & hhvm versions
Bugs & Features
<?php $exception = ['will not be'=>'will&nbs;pnot&nbs;pbe', 'will not' => 'will&nbs;pnot']; $string = 'They will not begin'; function f($string, $exception){ $newString = strtr($string, $exception); $array = explode(' ', $newString); if( $string !== $newString){ $array = array_combine(array_values($array), array_values($array)); var_dump(array_intersect_key($array, array_flip($exception))); $array = array_replace($array, array_intersect_key($array, array_flip($exception))); } return array_values($array); } var_dump(f($string, $exception)); var_dump(f('Will I love?', $exception)); var_dump(f('I will love.', $exception)); var_dump(f('I will not love.', $exception)); var_dump(f('Do I love?', $exception));
based on Bnk3n
Output for 5.4.0 - 7.2.0
array(0) { } array(2) { [0]=> string(4) "They" [1]=> string(24) "will&nbs;pnot&nbs;pbegin" } array(3) { [0]=> string(4) "Will" [1]=> string(1) "I" [2]=> string(5) "love?" } array(3) { [0]=> string(1) "I" [1]=> string(4) "will" [2]=> string(5) "love." } array(1) { ["will&nbs;pnot"]=> string(13) "will&nbs;pnot" } array(3) { [0]=> string(1) "I" [1]=> string(13) "will&nbs;pnot" [2]=> string(5) "love." } array(3) { [0]=> string(2) "Do" [1]=> string(1) "I" [2]=> string(5) "love?" }