3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = '[]'; for ($i = 0; $i < 50000; $i++) $string = '[' . $string . ']'; $s = microtime(true); json_decode($string); $s = microtime(true) - $s; var_dump(json_last_error(), JSON_ERROR_DEPTH, round($s, 5));
Output for 7.0.0 - 7.0.2, 7.0.4 - 7.0.5, 7.0.8, 7.1.0
int(1) int(1) float(5.0E-5)
Output for 7.0.6 - 7.0.7, 7.0.14
int(1) int(1) float(4.0E-5)
Output for 7.0.3
int(1) int(1) float(6.0E-5)
Output for hhvm-3.10.0 - 3.12.0
int(1) int(1) float(2.0E-5)
Output for 5.5.9, 5.6.23
int(1) int(1) float(0.00031)
Output for 5.4.39 - 5.4.40, 5.4.44, 5.5.21, 5.6.4, 5.6.14, 5.6.22
int(1) int(1) float(0.00033)
Output for 5.4.5 - 5.4.6, 5.4.8, 5.4.10, 5.4.29, 5.4.31, 5.4.34 - 5.4.36, 5.4.45, 5.5.2, 5.5.11, 5.5.16, 5.5.25, 5.6.0, 5.6.8, 5.6.13, 5.6.20 - 5.6.21
int(1) int(1) float(0.00036)
Output for 5.4.11, 5.4.14 - 5.4.15, 5.4.17 - 5.4.21, 5.4.23 - 5.4.28, 5.4.30, 5.4.37, 5.4.41 - 5.4.43, 5.5.1, 5.5.6 - 5.5.7, 5.5.10, 5.5.12, 5.5.14, 5.5.19 - 5.5.20, 5.5.23, 5.5.29 - 5.5.35, 5.6.1, 5.6.5 - 5.6.7, 5.6.10 - 5.6.12, 5.6.15, 5.6.19
int(1) int(1) float(0.00034)
Output for 5.5.0, 5.5.8, 5.6.18
int(1) int(1) float(0.00028)
Output for 5.3.10, 5.3.23, 5.3.28, 5.6.17
int(1) int(1) float(0.00043)
Output for 5.4.38, 5.6.16
int(1) int(1) float(0.00032)
Output for 5.4.22, 5.4.32, 5.5.13, 5.5.15, 5.6.9
int(1) int(1) float(0.00035)
Output for 5.3.1, 5.3.3, 5.3.5 - 5.3.7, 5.6.2 - 5.6.3
int(1) int(1) float(0.00038)
Output for 5.5.37
int(1) int(1) float(0.00027)
Output for 5.5.36
int(1) int(1) float(0.00026)
Output for 5.4.1 - 5.4.2, 5.4.7, 5.4.9, 5.4.13, 5.5.3 - 5.5.5, 5.5.27 - 5.5.28
int(1) int(1) float(0.00037)
Output for 5.5.26
int(1) int(1) float(0.00041)
Output for 5.5.24
int(1) int(1) float(0.00029)
Output for 5.3.24 - 5.3.27, 5.5.22
int(1) int(1) float(0.00042)
Output for 5.3.2, 5.5.18
int(1) int(1) float(0.00039)
Output for 5.3.0, 5.3.9, 5.4.16
int(1) int(1) float(0.0004)
Output for 5.4.12
int(1) int(1) float(0.00061)
Output for 5.3.11, 5.3.13 - 5.3.17, 5.4.4
int(1) int(1) float(0.00045)
Output for 5.4.3
int(1) int(1) float(0.00053)
Output for 5.3.20, 5.4.0
int(1) int(1) float(0.00046)
Output for 5.3.18 - 5.3.19, 5.3.21 - 5.3.22, 5.3.29
int(1) int(1) float(0.00044)
Output for 5.3.12
int(1) int(1) float(0.00075)
Output for 5.3.4, 5.3.8
int(1) int(1) float(0.00051)
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined function json_last_error() in /in/5bM95 on line 12
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/5bM95 on line 9
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/5bM95 on line 9
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/5bM95 on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/5bM95 on line 9