3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $json = json_encode(array('phone_number' => '+123123'), JSON_PRETTY_PRINT); var_dump($json); $json = json_encode(array('phone_number' => '-123123'), JSON_NUMERIC_CHECK); var_dump($json); $json = json_encode(array('phone_number' => '1.2e3'), JSON_NUMERIC_CHECK); var_dump($json); $json = json_encode(array('phone_number' => '0.00001'), JSON_NUMERIC_CHECK); var_dump($json); $json = json_encode(array('phone_number' => '+a33123456789'), JSON_NUMERIC_CHECK); var_dump($json); $json = json_encode(array('phone_number' => 'a123'), JSON_NUMERIC_CHECK); var_dump($json); $json = json_encode(array('phone_number' => '0123'), JSON_NUMERIC_CHECK); var_dump($json);
based on Q56je
Output for 5.4.0 - 7.2.0
string(33) "{ "phone_number": "+123123" }" string(24) "{"phone_number":-123123}" string(21) "{"phone_number":1200}" string(23) "{"phone_number":1.0e-5}" string(32) "{"phone_number":"+a33123456789"}" string(23) "{"phone_number":"a123"}" string(20) "{"phone_number":123}"
Output for 5.3.3 - 5.3.29
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/aPtSl on line 2 Warning: json_encode() expects parameter 2 to be long, string given in /in/aPtSl on line 2 NULL string(24) "{"phone_number":-123123}" string(21) "{"phone_number":1200}" string(23) "{"phone_number":1.0e-5}" string(32) "{"phone_number":"+a33123456789"}" string(23) "{"phone_number":"a123"}" string(20) "{"phone_number":123}"
Output for 5.3.0 - 5.3.2
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/aPtSl on line 2 Warning: json_encode() expects parameter 2 to be long, string given in /in/aPtSl on line 2 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 5 Warning: json_encode() expects parameter 2 to be long, string given in /in/aPtSl on line 5 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 8 Warning: json_encode() expects parameter 2 to be long, string given in /in/aPtSl on line 8 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 11 Warning: json_encode() expects parameter 2 to be long, string given in /in/aPtSl on line 11 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 14 Warning: json_encode() expects parameter 2 to be long, string given in /in/aPtSl on line 14 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 17 Warning: json_encode() expects parameter 2 to be long, string given in /in/aPtSl on line 17 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 21 Warning: json_encode() expects parameter 2 to be long, string given in /in/aPtSl on line 21 NULL
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_PRETTY_PRINT - assumed 'JSON_PRETTY_PRINT' in /in/aPtSl on line 2 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/aPtSl on line 2 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 5 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/aPtSl on line 5 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 8 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/aPtSl on line 8 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 11 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/aPtSl on line 11 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 14 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/aPtSl on line 14 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 17 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/aPtSl on line 17 NULL Notice: Use of undefined constant JSON_NUMERIC_CHECK - assumed 'JSON_NUMERIC_CHECK' in /in/aPtSl on line 21 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/aPtSl on line 21 NULL
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/aPtSl on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/aPtSl on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/aPtSl on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/aPtSl on line 2