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<?php $values = array( 'string_empty' => '', 'string_bool_f' => 'false', 'string_bool_t' => 'true', 'int_0' => 0, 'int_1' => 1, 'int_neg' => -100, 'int_norm' => 100, 'array_empty' => array(), 'array_null_val' => array(null), ); foreach ($values as $name => $val) { if (!empty($val)) { echo "$name isn't considered empty!". PHP_EOL; } }
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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 - 7.3.33, 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
string_bool_f isn't considered empty! string_bool_t isn't considered empty! int_1 isn't considered empty! int_neg isn't considered empty! int_norm isn't considered empty! array_null_val isn't considered empty!
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/QueT1 on line 17 string_bool_f isn't considered empty!PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/QueT1 on line 17 string_bool_t isn't considered empty!PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/QueT1 on line 17 int_1 isn't considered empty!PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/QueT1 on line 17 int_neg isn't considered empty!PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/QueT1 on line 17 int_norm isn't considered empty!PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/QueT1 on line 17 array_null_val isn't considered empty!PHP_EOL
preferences:
291.59 ms | 403 KiB | 460 Q