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)
8.3.60.0140.00718.18
8.3.50.0090.00618.02
8.3.40.0060.01218.63
8.3.30.0070.00718.88
8.3.20.0040.00420.04
8.3.10.0070.00023.61
8.3.00.0050.00318.95
8.2.180.0100.01018.29
8.2.170.0130.00722.96
8.2.160.0070.00722.08
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.01026.16
8.2.120.0040.00419.54
8.2.110.0040.00821.13
8.2.100.0040.00717.78
8.2.90.0000.01017.72
8.2.80.0030.00518.04
8.2.70.0000.00917.93
8.2.60.0050.00318.20
8.2.50.0050.00318.10
8.2.40.0090.00021.07
8.2.30.0040.00419.18
8.2.20.0060.00317.48
8.2.10.0000.00817.99
8.2.00.0040.00417.61
8.1.280.0100.01025.92
8.1.270.0080.00018.88
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00022.19
8.1.230.0040.00822.82
8.1.220.0050.00317.74
8.1.210.0090.00018.79
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0030.00618.52
8.1.160.0000.01018.73
8.1.150.0040.00418.86
8.1.140.0040.00417.32
8.1.130.0040.00417.91
8.1.120.0030.00317.35
8.1.110.0000.00817.28
8.1.100.0040.00417.23
8.1.90.0040.00417.42
8.1.80.0070.00017.37
8.1.70.0030.00317.41
8.1.60.0040.00417.44
8.1.50.0000.00917.39
8.1.40.0030.00517.48
8.1.30.0060.00317.50
8.1.20.0030.00617.42
8.1.10.0030.00517.33
8.1.00.0000.00717.38
8.0.300.0040.00421.96
8.0.290.0040.00416.58
8.0.280.0070.00018.39
8.0.270.0030.00317.06
8.0.260.0030.00317.18
8.0.250.0030.00316.90
8.0.240.0030.00316.89
8.0.230.0070.00016.89
8.0.220.0000.00716.82
8.0.210.0070.00016.79
8.0.200.0000.00616.79
8.0.190.0000.00716.91
8.0.180.0040.00416.72
8.0.170.0040.00416.81
8.0.160.0030.00416.69
8.0.150.0070.00016.73
8.0.140.0040.00416.75
8.0.130.0000.00613.32
8.0.120.0030.00516.78
8.0.110.0030.00516.75
8.0.100.0030.00516.85
8.0.90.0000.00716.68
8.0.80.0090.00716.81
8.0.70.0040.00416.84
8.0.60.0040.00416.63
8.0.50.0000.00816.87
8.0.30.0100.01316.94
8.0.20.0060.01317.40
8.0.10.0000.00716.71
8.0.00.0140.00516.74
7.4.330.0000.00515.03
7.4.320.0060.00016.42
7.4.300.0000.00616.56
7.4.290.0000.00716.43
7.4.280.0030.00616.50
7.4.270.0070.00016.52
7.4.260.0030.00316.42
7.4.250.0000.00716.34
7.4.240.0060.00116.47
7.4.230.0030.00316.32
7.4.220.0150.00416.43
7.4.210.0070.01016.44
7.4.200.0070.00016.45
7.4.160.0060.01216.47
7.4.150.0120.00617.40
7.4.140.0140.00517.86
7.4.130.0090.00916.29
7.4.120.0090.00816.39
7.4.110.0130.00616.39
7.4.100.0030.01316.25
7.4.90.0120.00916.47
7.4.80.0100.01319.39
7.4.70.0100.00716.41
7.4.60.0140.00416.34
7.4.50.0030.00516.22
7.4.40.0060.01016.41
7.4.30.0190.00416.21
7.4.00.0100.00614.75
7.3.330.0030.00312.97
7.3.320.0060.00013.07
7.3.310.0040.00415.98
7.3.300.0000.00716.16
7.3.290.0070.00816.13
7.3.280.0040.01316.17
7.3.270.0060.01217.40
7.3.260.0100.00716.27
7.3.250.0130.00416.09
7.3.240.0060.01616.15
7.3.230.0060.01216.39
7.3.210.0060.01216.38
7.3.200.0070.01219.39
7.3.190.0040.01116.05
7.3.180.0000.02116.47
7.3.170.0120.00616.27
7.3.160.0130.00316.12
7.2.330.0160.00016.28
7.2.320.0030.01316.51
7.2.310.0160.00016.52
7.2.300.0160.00316.23
7.2.290.0030.01616.59
7.2.60.0060.00916.57
7.2.00.0060.01019.09
7.1.200.0130.00015.68
7.1.100.0000.01317.93
7.1.70.0000.00817.11
7.1.60.0110.01419.22
7.1.50.0050.00516.74
7.1.00.0070.07322.35
7.0.200.0030.01316.66
7.0.140.0030.07722.01
7.0.90.0170.04319.79
7.0.80.0070.05019.88
7.0.70.0070.05319.86
7.0.60.0100.04719.93
7.0.50.0000.05320.30
7.0.40.0000.09020.17
7.0.30.0000.05019.95
7.0.20.0170.06720.15
7.0.10.0030.04320.12
7.0.00.0130.07720.12
5.6.280.0030.07020.89
5.6.240.0130.07720.58
5.6.230.0100.04720.66
5.6.220.0070.05020.47
5.6.210.0030.05320.50
5.6.200.0130.07320.95
5.6.190.0070.06721.09
5.6.180.0100.07321.01
5.6.170.0070.04020.96
5.6.160.0070.08321.07
5.6.150.0200.07721.16
5.6.140.0070.07021.08
5.6.130.0070.08721.16
5.6.120.0030.08321.07
5.6.110.0100.04321.00
5.6.100.0000.05721.05
5.6.90.0100.07320.88
5.6.80.0030.04320.46
5.6.70.0070.08320.31
5.6.60.0070.05020.39
5.6.50.0070.08020.46
5.6.40.0070.04320.38
5.6.30.0070.04720.39
5.6.20.0070.04320.40
5.6.10.0030.05320.35
5.6.00.0070.03720.40
5.5.380.0030.08020.46
5.5.370.0070.08320.30
5.5.360.0000.05320.37
5.5.350.0030.05020.38
5.5.340.0000.05320.91
5.5.330.0070.08720.82
5.5.320.0130.04320.86
5.5.310.0100.03720.77
5.5.300.0170.08020.89
5.5.290.0030.08720.82
5.5.280.0070.08720.79
5.5.270.0130.07020.71
5.5.260.0000.04720.63
5.5.250.0070.06020.70
5.5.240.0030.04320.02
5.5.230.0100.06320.17
5.5.220.0030.04720.30
5.5.210.0000.05320.26
5.5.200.0100.07020.11
5.5.190.0070.03720.12
5.5.180.0030.04019.99
5.5.160.0030.04020.24
5.5.150.0030.04020.13
5.5.140.0070.03720.12
5.5.130.0030.03320.20
5.5.120.0000.04020.18
5.5.110.0070.03720.25
5.5.100.0070.04320.10
5.5.90.0000.05020.09
5.5.80.0030.03320.00
5.5.70.0070.06720.05
5.5.60.0000.03720.05
5.5.50.0000.05020.08
5.5.40.0030.03720.15
5.5.30.0100.03320.05
5.5.20.0070.06020.14
5.5.10.0000.04319.96
5.5.00.0070.03320.09
5.4.450.0100.06719.41
5.4.440.0130.04719.13
5.4.430.0170.06719.44
5.4.420.0030.04319.28
5.4.410.0070.03719.10
5.4.400.0030.07718.82
5.4.390.0000.05719.14
5.4.380.0070.07718.90
5.4.370.0070.07318.96
5.4.360.0100.04719.12
5.4.350.0070.05018.98
5.4.340.0100.07018.79
5.4.320.0000.04318.81
5.4.310.0000.04019.01
5.4.300.0130.02319.23
5.4.290.0000.04319.09
5.4.280.0000.04319.09
5.4.270.0000.04018.90
5.4.260.0070.03719.02
5.4.250.0030.04719.09
5.4.240.0030.05319.12
5.4.230.0000.03718.95
5.4.220.0030.05018.77
5.4.210.0070.03319.04
5.4.200.0070.06318.89
5.4.190.0000.03718.96
5.4.180.0030.04719.11
5.4.170.0030.05018.96
5.4.160.0100.03019.10
5.4.150.0000.04018.76
5.4.140.0030.03716.24
5.4.130.0030.03016.22
5.4.120.0070.05016.21
5.4.110.0030.03716.30
5.4.100.0030.03716.44
5.4.90.0070.03716.43
5.4.80.0030.03016.31
5.4.70.0100.03316.36
5.4.60.0030.03016.23
5.4.50.0000.04716.19
5.4.40.0070.02716.19
5.4.30.0000.03716.20
5.4.20.0030.03316.41
5.4.10.0030.04016.20
5.4.00.0030.04315.75
5.3.290.0030.04014.57
5.3.280.0000.04314.59
5.3.270.0100.02714.56
5.3.260.0070.03714.55
5.3.250.0070.04714.46
5.3.240.0000.04014.58
5.3.230.0100.03314.55
5.3.220.0000.04014.42
5.3.210.0030.03714.42
5.3.200.0070.03314.52
5.3.190.0000.03714.43
5.3.180.0070.03314.42
5.3.170.0100.06014.55
5.3.160.0130.06314.46
5.3.150.0100.03314.42
5.3.140.0070.03714.41
5.3.130.0000.05714.55
5.3.120.0030.03314.38
5.3.110.0070.03714.54
5.3.100.0030.03713.99
5.3.90.0030.03313.88
5.3.80.0030.04313.87
5.3.70.0000.04014.00
5.3.60.0000.04013.98
5.3.50.0130.03013.71
5.3.40.0070.07013.80
5.3.30.0070.06313.90
5.3.20.0130.06013.64
5.3.10.0070.07013.52
5.3.00.0100.05013.54
5.2.170.0070.04011.09
5.2.160.0030.05011.21
5.2.150.0070.06011.21
5.2.140.0070.04011.10
5.2.130.0130.04010.89
5.2.120.0070.05310.89
5.2.110.0070.05311.06
5.2.100.0070.06011.04
5.2.90.0100.06311.05
5.2.80.0030.06311.08
5.2.70.0030.06010.94
5.2.60.0100.05710.86
5.2.50.0000.04010.80
5.2.40.0030.03011.02
5.2.30.0030.05010.97
5.2.20.0030.06010.95
5.2.10.0000.06010.88
5.2.00.0100.05310.63
5.1.60.0070.05010.02
5.1.50.0070.0509.99
5.1.40.0100.0509.99
5.1.30.0030.04310.36
5.1.20.0100.05310.25
5.1.10.0030.0509.90
5.1.00.0000.04310.05
5.0.50.0070.0238.54
5.0.40.0070.0408.25
5.0.30.0030.0638.23
5.0.20.0030.0278.03
5.0.10.0030.0308.25
5.0.00.0000.0708.25
4.4.90.0000.0376.46
4.4.80.0030.0276.46
4.4.70.0030.0236.46
4.4.60.0000.0376.46
4.4.50.0030.0336.46
4.4.40.0030.0406.46
4.4.30.0000.0306.46
4.4.20.0030.0336.46
4.4.10.0030.0176.46
4.4.00.0030.0306.46
4.3.110.0000.0376.46
4.3.100.0070.0276.46
4.3.90.0000.0276.46
4.3.80.0000.0506.46
4.3.70.0000.0336.46
4.3.60.0030.0306.46
4.3.50.0030.0206.46
4.3.40.0030.0406.46
4.3.30.0000.0236.46
4.3.20.0000.0376.46
4.3.10.0000.0376.46
4.3.00.0000.0276.46

preferences:
53.72 ms | 400 KiB | 5 Q