query: Why strpos fail in this example
positive_passages.docid: 18253
positive_passages.text: Odd strpos behavior
negative_passages.docid: 120580
negative_passages.text: What does "=>" mean in PHP?
negative_passages.docid: 97125
negative_passages.text: When does preg_match(): Unknown modifier error occur?
negative_passages.docid: 19582
negative_passages.text: How to combine two strings together in PHP?
negative_passages.docid: 139446
negative_passages.text: PHP 5.4 after-install: preg_match(): Compilation failed: unknown option bit(s) set at offset 0
negative_passages.docid: 58312
negative_passages.text: Why does (0 == 'Hello') return true in PHP?
negative_passages.docid: 92410
negative_passages.text: Warning: strpos() [function.strpos]: Empty delimiter
negative_passages.docid: 141442
negative_passages.text: Why does my string comparison fail?
negative_passages.docid: 137386
negative_passages.text: PHP bug with converting object to arrays
negative_passages.docid: 62106
negative_passages.text: How to join strings in PHP?
negative_passages.docid: 155217
negative_passages.text: Why is there no primitive type for String?
negative_passages.docid: 90804
negative_passages.text: Why my php substr() shows obscure characters when cutting a text?
negative_passages.docid: 94418
negative_passages.text: Where do we use the object operator "->" in PHP?
negative_passages.docid: 78629
negative_passages.text: How can I replace a variable in a string with the value in PHP?
negative_passages.docid: 60603
negative_passages.text: Unicode character in PHP string
negative_passages.docid: 2886
negative_passages.text: Warning: preg_replace(): Unknown modifier
negative_passages.docid: 120721
negative_passages.text: Why can't I match my string from standard input in Perl?