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<?php $values = array( 0, 1, '1', 1.1, 1.00, 1.01, 2.33, 3.445, -3.45, 12.3432 ); foreach($values as $value) { $isValid = false; // $value = abs($value); //$regexp = '/^[0-9]+\.[0-9][0-9]?$/'; //$result = preg_match($regexp, $value, $matches); $regexp = '/^[0-9]+?$/'; var_dump((bool)preg_match($regexp, $value, $matches)); if(count($matches) == 1) $isValid = true; var_dump($result); if($isValid) { echo $value."\n"; } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL 0 bool(true) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL 1 bool(true) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL 1 bool(false) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL bool(true) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL 1 bool(false) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL bool(false) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL bool(false) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL bool(false) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL bool(false) Warning: Undefined variable $result in /in/OPNJ5 on line 34 NULL
Output for 5.0.4 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
bool(true) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL 0 bool(true) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL 1 bool(true) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL 1 bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(true) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL 1 bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL
Output for 7.3.32 - 7.3.33, 7.4.26
bool(true) NULL 0 bool(true) NULL 1 bool(true) NULL 1 bool(false) NULL bool(true) NULL 1 bool(false) NULL bool(false) NULL bool(false) NULL bool(false) NULL bool(false) NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
bool(true) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL 0 bool(true) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL 1 bool(true) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL 1 bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(true) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL 1 bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL bool(false) Notice: Undefined variable: result in /in/OPNJ5 on line 34 NULL
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