3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = json_encode('wrong json'); if ('50500' <= PHP_VERSION_ID) { var_dump(json_last_error_msg()); } var_dump('JSON_ERROR_DEPTH' . ' : ' . JSON_ERROR_DEPTH); var_dump('JSON_ERROR_STATE_MISMATCH' . ' : ' . JSON_ERROR_STATE_MISMATCH); var_dump('JSON_ERROR_CTRL_CHAR' . ' : ' . JSON_ERROR_CTRL_CHAR); var_dump('JSON_ERROR_SYNTAX' . ' : ' . JSON_ERROR_SYNTAX); var_dump('JSON_ERROR_UTF8' . ' : ' . JSON_ERROR_UTF8); var_dump(json_last_error()); /*switch (json_last_error()) { case JSON_ERROR_DEPTH: $error = 'Maximum stack depth exceeded'; break; case JSON_ERROR_STATE_MISMATCH: $error = 'Underflow or the modes mismatch'; break; case JSON_ERROR_CTRL_CHAR: $error = 'Unexpected control character found'; break; case JSON_ERROR_SYNTAX: $error = 'Syntax error, malformed JSON'; break; case JSON_ERROR_UTF8: $error = 'Malformed UTF-8 characters, possibly incorrectly encoded'; break; default: $error = 'Unknown error'; break; } var_dump($error);*/

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0140.00718.30
8.3.50.0140.00521.93
8.3.40.0090.00918.55
8.3.30.0110.00419.04
8.3.20.0000.00820.14
8.3.10.0080.00023.56
8.3.00.0040.00419.21
8.2.180.0140.00725.92
8.2.170.0120.00322.96
8.2.160.0130.00022.26
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0120.00326.16
8.2.120.0070.00019.66
8.2.110.0090.00021.06
8.2.100.0040.00717.72
8.2.90.0000.00720.47
8.2.80.0040.00417.97
8.2.70.0080.00017.80
8.2.60.0040.00418.16
8.2.50.0080.00018.10
8.2.40.0030.00519.34
8.2.30.0070.00019.23
8.2.20.0030.00617.75
8.2.10.0000.00718.00
8.2.00.0040.00417.68
8.1.280.0030.01325.92
8.1.270.0080.00018.70
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00618.99
8.1.230.0040.00721.04
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0050.00317.10
8.1.190.0000.00817.00
8.1.180.0040.00418.10
8.1.170.0050.00318.38
8.1.160.0070.00418.88
8.1.150.0030.00518.80
8.1.140.0040.00417.45
8.1.130.0040.00417.72
8.1.120.0020.00517.29
8.1.110.0000.00717.37
8.1.100.0000.00817.38
8.1.90.0040.00417.38
8.1.80.0040.00417.42
8.1.70.0030.00317.30
8.1.60.0060.00317.50
8.1.50.0030.00617.43
8.1.40.0000.00817.34
8.1.30.0000.00817.52
8.1.20.0030.00717.54
8.1.10.0040.00417.47
8.1.00.0040.00417.27
8.0.300.0070.00019.96
8.0.290.0020.00516.63
8.0.280.0070.00018.37
8.0.270.0050.00317.09
8.0.260.0080.00017.18
8.0.250.0030.00316.97
8.0.240.0070.00016.82
8.0.230.0000.00716.95
8.0.220.0080.00016.87
8.0.210.0000.00716.87
8.0.200.0070.00016.96
8.0.190.0000.00716.96
8.0.180.0030.00516.93
8.0.170.0030.00616.91
8.0.160.0050.00216.91
8.0.150.0000.00716.83
8.0.140.0060.00316.85
8.0.130.0050.00313.32
8.0.120.0050.00316.85
8.0.110.0050.00316.84
8.0.100.0030.00516.90
8.0.90.0000.00716.93
8.0.80.0110.00616.81
8.0.70.0040.00416.76
8.0.60.0030.00616.77
8.0.50.0000.00716.91
8.0.30.0110.01016.94
8.0.20.0120.01217.40
8.0.10.0030.00317.02
8.0.00.0120.00616.70
7.4.330.0030.00315.03
7.4.320.0000.00716.55
7.4.300.0000.00716.42
7.4.290.0030.00316.44
7.4.280.0080.00316.52
7.4.270.0000.00616.39
7.4.260.0070.00016.51
7.4.250.0000.00716.49
7.4.240.0050.00216.53
7.4.230.0070.00016.33
7.4.220.0070.01116.49
7.4.210.0110.00616.51
7.4.200.0000.00716.55
7.4.160.0130.00316.35
7.4.150.0150.00617.40
7.4.140.0100.00817.86
7.4.130.0110.01016.50
7.4.120.0120.00916.45
7.4.110.0030.01516.46
7.4.100.0080.00816.30
7.4.90.0100.00716.46
7.4.80.0090.00919.39
7.4.70.0030.01316.34
7.4.60.0090.00916.48
7.4.50.0040.00016.54
7.4.40.0090.00616.38
7.4.30.0100.01316.29
7.4.00.0040.01214.96
7.3.330.0050.00012.96
7.3.320.0000.00513.00
7.3.310.0040.00416.24
7.3.300.0000.00716.05
7.3.290.0060.01016.21
7.3.280.0060.01016.21
7.3.270.0140.00517.40
7.3.260.0060.01116.36
7.3.250.0150.00216.13
7.3.240.0060.02016.22
7.3.230.0070.01416.39
7.3.210.0030.01416.15
7.3.200.0120.00919.39
7.3.190.0110.00716.16
7.3.180.0000.01516.20
7.3.170.0200.00016.27
7.3.160.0030.01316.25
7.3.10.0030.01316.09
7.3.00.0000.01216.30
7.2.330.0080.01116.38
7.2.320.0100.00716.45
7.2.310.0140.00316.56
7.2.300.0070.01716.34
7.2.290.0070.01616.34
7.2.130.0100.00716.63
7.2.120.0030.00716.42
7.2.110.0040.00816.75
7.2.100.0040.01416.86
7.2.90.0080.00316.75
7.2.80.0030.01016.81
7.2.70.0070.00716.86
7.2.60.0050.00816.85
7.2.50.0030.00916.87
7.2.40.0070.00416.90
7.2.30.0090.00616.72
7.2.20.0040.01116.65
7.2.10.0060.00616.82
7.2.00.0050.00717.83
7.1.250.0090.00615.89
7.1.200.0040.01115.54
7.1.100.0000.01317.71
7.1.70.0000.00816.99
7.1.60.0070.01719.22
7.1.50.0070.01316.88
7.1.00.0130.06722.44
7.0.200.0030.00516.82
7.0.140.0000.04322.00
7.0.90.0230.04319.98
7.0.80.0370.07020.08
7.0.70.0400.07719.91
7.0.60.0400.04019.81
7.0.50.0430.04320.25
7.0.40.0030.04020.10
7.0.30.0200.05320.13
7.0.20.0070.06320.00
7.0.10.0030.06720.09
7.0.00.0030.04320.14
5.6.280.0070.07020.77
5.6.240.0030.04720.46
5.6.230.0130.04020.58
5.6.220.0030.04020.65
5.6.210.0070.03720.56
5.6.200.0170.03720.95
5.6.190.0030.05321.08
5.6.180.0100.03721.03
5.6.170.0100.04721.10
5.6.160.0100.06720.97
5.6.150.0170.07721.04
5.6.140.0100.04021.13
5.6.130.0070.08721.04
5.6.120.0070.08321.04
5.6.110.0100.08021.04
5.6.100.0070.06021.00
5.6.90.0130.07321.00
5.6.80.0070.08020.42
5.6.70.0100.05320.40
5.6.60.0130.05720.43
5.6.50.0070.04720.55
5.6.40.0170.05320.44
5.6.30.0070.05720.44
5.6.20.0030.04720.45
5.6.10.0000.08020.30
5.6.00.0170.04020.25
5.5.380.0070.03720.35
5.5.370.0070.04320.36
5.5.360.0030.04320.29
5.5.350.0070.04020.34
5.5.340.0100.06320.76
5.5.330.0030.04020.91
5.5.320.0070.08320.80
5.5.310.0000.09320.88
5.5.300.0070.08720.64
5.5.290.0100.07720.91
5.5.280.0000.09320.89
5.5.270.0000.09020.71
5.5.260.0100.07320.71
5.5.250.0030.08320.68
5.5.240.0100.07020.16
5.5.230.0170.07320.29
5.5.220.0130.07320.17
5.5.210.0130.06720.23
5.5.200.0070.08720.07
5.5.190.0130.06720.20
5.5.180.0100.06720.07
5.5.160.0000.08720.17
5.5.150.0030.06320.07
5.5.140.0130.07020.20
5.5.130.0030.08720.11
5.5.120.0000.05720.27
5.5.110.0030.07720.07
5.5.100.0030.08320.10
5.5.90.0070.06320.14
5.5.80.0100.06319.97
5.5.70.0030.05020.05
5.5.60.0130.06320.04
5.5.50.0070.07020.03
5.5.40.0030.08320.02
5.5.30.0000.05319.95
5.5.20.0130.06320.14
5.5.10.0130.05719.96
5.5.00.0030.05020.02
5.4.450.0170.07319.14
5.4.440.0070.08019.45
5.4.430.0030.05719.10
5.4.420.0170.06719.13
5.4.410.0070.08719.25
5.4.400.0070.07719.23
5.4.390.0070.07319.05
5.4.380.0130.07319.02
5.4.370.0030.05018.81
5.4.360.0200.05718.78
5.4.350.0030.07719.09
5.4.340.0030.07719.05
5.4.320.0000.08018.81
5.4.310.0070.07319.11
5.4.300.0100.05018.94
5.4.290.0100.07319.14
5.4.280.0070.06319.14
5.4.270.0070.08319.02
5.4.260.0100.05719.02
5.4.250.0030.06019.24
5.4.240.0100.04318.77
5.4.230.0100.06319.11
5.4.220.0030.07019.22
5.4.210.0100.07019.05
5.4.200.0100.06019.14
5.4.190.0100.07019.22
5.4.180.0200.05718.77
5.4.170.0100.07318.95
5.4.160.0030.07018.96
5.4.150.0070.08019.00
5.4.140.0100.04316.24
5.4.130.0070.06316.32
5.4.120.0070.07016.30
5.4.110.0170.03016.43
5.4.100.0070.04016.32
5.4.90.0100.04016.34
5.4.80.0030.04316.31
5.4.70.0070.07316.31
5.4.60.0100.06316.28
5.4.50.0070.06016.20
5.4.40.0070.04716.28
5.4.30.0030.04016.20
5.4.20.0000.06016.18
5.4.10.0100.06716.23
5.4.00.0170.06315.77
5.3.290.0030.07014.52
5.3.280.0070.05714.58
5.3.270.0070.07314.52
5.3.260.0130.04014.59
5.3.250.0070.06714.46
5.3.240.0030.08014.44
5.3.230.0100.05014.45
5.3.220.0030.04714.42
5.3.210.0100.04714.50
5.3.200.0130.05014.55
5.3.190.0070.07314.55
5.3.180.0100.07014.52
5.3.170.0070.03314.50
5.3.160.0030.04714.55
5.3.150.0170.05714.43
5.3.140.0070.05714.51
5.3.130.0170.06714.40
5.3.120.0030.05714.54
5.3.110.0100.05714.37
5.3.100.0070.07714.03
5.3.90.0070.07014.00
5.3.80.0100.05714.00
5.3.70.0100.03713.97
5.3.60.0030.08313.99
5.3.50.0070.07313.80
5.3.40.0030.05013.85
5.3.30.0030.03713.91
5.3.20.0070.06713.64
5.3.10.0130.05713.63
5.3.00.0130.06013.62
5.2.170.0070.04310.99
5.2.160.0070.06011.09
5.2.150.0100.05311.09
5.2.140.0130.04711.18
5.2.130.0000.05011.09
5.2.120.0070.05711.16
5.2.110.0030.03311.16
5.2.100.0170.05010.96
5.2.90.0130.03310.92
5.2.80.0030.03711.04
5.2.70.0030.05311.08
5.2.60.0070.06311.12
5.2.50.0030.06711.02
5.2.40.0100.06010.99
5.2.30.0130.05310.83
5.2.20.0100.06010.75
5.2.10.0070.04710.91
5.2.00.0030.03710.71
5.1.60.0070.04310.02
5.1.50.0000.0379.83
5.1.40.0030.03010.05
5.1.30.0030.03010.24
5.1.20.0070.04310.26
5.1.10.0070.02710.09
5.1.00.0000.06310.05
5.0.50.0030.0478.61
5.0.40.0070.0408.29
5.0.30.0030.0638.05
5.0.20.0070.0408.04
5.0.10.0070.0408.00
5.0.00.0000.0608.19
4.4.90.0000.0406.59
4.4.80.0070.0276.59
4.4.70.0030.0306.59
4.4.60.0000.0336.59
4.4.50.0030.0336.59
4.4.40.0070.0306.59
4.4.30.0000.0376.59
4.4.20.0100.0306.59
4.4.10.0000.0336.59
4.4.00.0030.0406.59
4.3.110.0030.0376.59
4.3.100.0000.0336.59
4.3.90.0030.0236.59
4.3.80.0000.0376.59
4.3.70.0000.0336.59
4.3.60.0030.0336.59
4.3.50.0070.0306.59
4.3.40.0030.0376.59
4.3.30.0030.0306.59
4.3.20.0070.0336.59
4.3.10.0000.0306.59
4.3.00.0000.0336.59

preferences:
52.41 ms | 401 KiB | 5 Q