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()); } 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)
8.3.60.0100.01018.56
8.3.50.0130.00822.04
8.3.40.0120.00318.64
8.3.30.0100.00518.95
8.3.20.0050.00220.39
8.3.10.0080.00023.65
8.3.00.0040.00419.07
8.2.180.0130.00318.23
8.2.170.0090.00622.96
8.2.160.0100.00322.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0090.00019.66
8.2.110.0070.00321.02
8.2.100.0040.00817.91
8.2.90.0040.00417.84
8.2.80.0040.00418.88
8.2.70.0080.00017.93
8.2.60.0000.00718.03
8.2.50.0030.00618.10
8.2.40.0000.00719.22
8.2.30.0030.00619.34
8.2.20.0040.00417.69
8.2.10.0000.00718.16
8.2.00.0040.00417.84
8.1.280.0180.00725.92
8.1.270.0080.00018.68
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00422.09
8.1.230.0030.00720.97
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0030.00618.59
8.1.160.0060.00318.79
8.1.150.0040.00418.85
8.1.140.0040.00417.48
8.1.130.0030.00517.79
8.1.120.0040.00417.38
8.1.110.0040.00417.54
8.1.100.0040.00417.49
8.1.90.0000.00717.52
8.1.80.0000.00717.46
8.1.70.0000.00817.54
8.1.60.0040.00417.62
8.1.50.0050.00217.58
8.1.40.0040.00417.56
8.1.30.0000.00817.61
8.1.20.0040.00417.64
8.1.10.0080.00017.40
8.1.00.0000.00817.37
8.0.300.0040.00419.95
8.0.290.0000.00916.88
8.0.280.0000.00718.41
8.0.270.0050.00317.23
8.0.260.0060.00017.23
8.0.250.0000.00716.95
8.0.240.0050.00216.92
8.0.230.0070.00017.04
8.0.220.0030.00316.96
8.0.210.0030.00316.93
8.0.200.0030.00316.96
8.0.190.0040.00417.02
8.0.180.0000.00717.04
8.0.170.0080.00016.93
8.0.160.0000.00716.93
8.0.150.0000.00716.88
8.0.140.0040.00416.87
8.0.130.0030.00313.42
8.0.120.0080.00016.96
8.0.110.0000.00817.02
8.0.100.0060.00316.91
8.0.90.0070.00016.87
8.0.80.0120.00916.99
8.0.70.0040.00417.02
8.0.60.0000.00816.81
8.0.50.0000.00716.96
8.0.30.0090.01417.22
8.0.20.0140.00517.40
8.0.10.0070.00017.02
8.0.00.0120.00616.93
7.4.330.0050.00015.03
7.4.320.0060.00016.63
7.4.300.0030.00316.43
7.4.290.0000.00716.53
7.4.280.0090.00016.47
7.4.270.0030.00316.55
7.4.260.0070.00016.61
7.4.250.0040.00416.52
7.4.240.0020.00516.60
7.4.230.0070.00016.70
7.4.220.0070.01316.55
7.4.210.0130.00316.66
7.4.200.0030.00516.44
7.4.160.0130.00716.45
7.4.150.0120.00617.40
7.4.140.0050.01117.86
7.4.130.0130.00516.48
7.4.120.0090.00916.51
7.4.110.0120.00616.64
7.4.100.0070.01416.57
7.4.90.0130.00316.39
7.4.80.0140.00919.39
7.4.70.0200.00016.61
7.4.60.0090.00916.46
7.4.50.0000.00916.32
7.4.40.0030.01316.54
7.4.30.0110.00716.46
7.4.00.0040.00814.89
7.3.330.0000.00513.10
7.3.320.0000.00513.07
7.3.310.0030.00316.19
7.3.300.0050.00216.19
7.3.290.0060.00916.23
7.3.280.0100.00816.23
7.3.270.0130.00417.40
7.3.260.0090.00916.36
7.3.250.0060.01116.20
7.3.240.0160.00816.22
7.3.230.0190.00316.54
7.3.210.0090.01216.41
7.3.200.0030.01319.39
7.3.190.0040.01116.40
7.3.180.0040.01116.52
7.3.170.0140.00416.37
7.3.160.0060.00916.50
7.3.120.0060.00914.75
7.3.110.0030.01314.73
7.3.100.0000.01414.54
7.3.90.0030.00714.71
7.3.80.0030.01014.57
7.3.70.0090.00014.77
7.3.60.0080.00414.82
7.3.50.0040.01114.82
7.3.40.0040.00714.67
7.3.30.0090.00314.66
7.3.20.0080.00816.59
7.3.10.0030.00816.29
7.3.00.0040.01116.56
7.2.330.0170.00016.52
7.2.320.0170.00016.29
7.2.310.0060.01316.56
7.2.300.0100.00716.50
7.2.290.0120.01216.48
7.2.250.0040.00714.83
7.2.240.0030.01014.79
7.2.230.0090.00614.67
7.2.220.0040.00714.77
7.2.210.0090.00614.89
7.2.200.0030.01014.76
7.2.190.0030.00714.87
7.2.180.0030.00814.90
7.2.170.0000.01114.80
7.2.160.0090.00915.12
7.2.150.0060.01216.49
7.2.140.0000.00916.69
7.2.130.0040.00916.72
7.2.120.0030.01517.00
7.2.110.0030.00716.79
7.2.100.0000.00916.53
7.2.90.0060.00616.64
7.2.80.0090.00416.86
7.2.70.0040.00817.00
7.2.60.0030.00816.89
7.2.50.0060.00616.59
7.2.40.0030.00616.64
7.2.30.0030.00717.04
7.2.20.0120.00316.80
7.2.10.0070.01016.55
7.2.00.0060.00618.21
7.1.330.0030.00615.81
7.1.320.0000.01315.87
7.1.310.0000.01115.60
7.1.300.0000.00715.74
7.1.290.0060.00615.74
7.1.280.0070.00415.70
7.1.270.0090.00615.77
7.1.260.0110.00015.52
7.1.250.0060.00615.93
7.1.100.0040.01118.11
7.1.70.0000.01216.79
7.1.60.0100.01419.22
7.1.50.0000.01216.95
7.1.00.0070.07322.34
7.0.200.0120.00016.44
7.0.140.0070.06022.21
7.0.90.0130.04319.93
7.0.80.0070.04019.91
7.0.70.0300.03719.84
7.0.60.0270.04320.02
7.0.50.0270.02720.16
7.0.40.0030.05720.13
7.0.30.0070.04320.18
7.0.20.0000.04720.10
7.0.10.0030.03720.13
7.0.00.0030.05720.12
5.6.230.0070.04020.71
5.6.220.0070.03720.62
5.6.210.0100.05720.60
5.6.200.0100.08021.10
5.6.190.0070.07021.08
5.6.180.0070.03321.00
5.6.170.0030.04021.00
5.6.160.0000.08020.93
5.6.150.0000.04721.01
5.6.140.0030.04021.03
5.6.130.0100.04321.01
5.6.120.0000.07321.03
5.6.110.0000.04320.96
5.6.100.0030.04721.09
5.6.90.0130.03021.11
5.6.80.0070.05020.33
5.6.70.0070.08320.34
5.6.60.0000.04320.46
5.6.50.0070.03320.43
5.6.40.0030.04720.38
5.6.30.0000.04720.37
5.6.20.0030.04020.43
5.6.10.0070.03720.43
5.6.00.0130.07320.29
5.5.370.0070.03720.39
5.5.360.0070.03720.53
5.5.350.0070.03720.33
5.5.340.0000.07320.91
5.5.330.0100.03020.77
5.5.320.0030.04720.79
5.5.310.0070.04020.62
5.5.300.0030.04320.83
5.5.290.0070.05020.90
5.5.280.0030.05320.72
5.5.270.0000.04020.79
5.5.260.0100.04720.78
5.5.250.0030.03320.61
5.5.240.0000.04020.11
5.5.230.0000.03720.29
5.5.220.0030.03320.16
5.5.210.0030.04020.14
5.5.200.0000.03320.18
5.5.190.0070.08720.20
5.5.180.0130.02720.14
5.5.160.0100.07720.11
5.5.150.0130.05020.25
5.5.140.0070.04019.97
5.5.130.0000.07720.13
5.5.120.0000.06320.20
5.5.110.0070.05320.10
5.5.100.0100.07020.07
5.5.90.0130.07320.06
5.5.80.0100.04720.01
5.5.70.0130.06320.08
5.5.60.0000.05719.93
5.5.50.0000.07719.96
5.5.40.0100.08020.04
5.5.30.0030.08019.92
5.5.20.0030.06720.02
5.5.10.0130.03319.99
5.5.00.0100.07719.95
5.4.450.0100.03719.36
5.4.440.0030.03719.36
5.4.430.0000.07019.23
5.4.420.0070.03019.41
5.4.410.0030.05019.23
5.4.400.0030.03319.08
5.4.390.0070.03019.10
5.4.380.0030.07019.09
5.4.370.0070.06319.12
5.4.360.0030.04019.18
5.4.350.0000.03318.91
5.4.340.0000.04319.06
5.4.320.0130.07019.05
5.4.310.0200.03718.81
5.4.300.0200.06019.22
5.4.290.0100.07719.09
5.4.280.0070.07719.02
5.4.270.0030.04019.11
5.4.260.0100.07719.02
5.4.250.0100.04719.10
5.4.240.0030.04719.04
5.4.230.0070.06318.80
5.4.220.0070.07018.96
5.4.210.0100.07319.02
5.4.200.0100.07718.94
5.4.190.0170.07319.11
5.4.180.0130.07319.11
5.4.170.0130.04718.93
5.4.160.0100.07719.23
5.4.150.0000.08019.00
5.4.140.0070.07016.30
5.4.130.0070.07016.27
5.4.120.0070.06716.21
5.4.110.0170.06016.23
5.4.100.0030.07716.23
5.4.90.0170.06316.31
5.4.80.0070.04316.21
5.4.70.0100.06316.23
5.4.60.0070.04316.36
5.4.50.0100.06016.22
5.4.40.0070.05716.29
5.4.30.0170.06316.23
5.4.20.0100.07316.27
5.4.10.0030.04016.30
5.4.00.0000.07715.75
5.3.290.0030.08314.52
5.3.280.0030.04714.41
5.3.270.0100.03314.44
5.3.260.0070.07714.58
5.3.250.0100.07314.59
5.3.240.0070.06014.57
5.3.230.0070.07314.55
5.3.220.0130.07314.55
5.3.210.0130.07014.54
5.3.200.0000.06014.54
5.3.190.0030.05014.55
5.3.180.0000.07714.57
5.3.170.0170.06314.55
5.3.160.0070.06314.55
5.3.150.0170.05314.50
5.3.140.0030.05014.38
5.3.130.0070.07314.38
5.3.120.0130.07314.41
5.3.110.0070.04314.55
5.3.100.0200.06314.05
5.3.90.0100.07313.96
5.3.80.0070.07014.02
5.3.70.0100.07314.01
5.3.60.0030.06713.98
5.3.50.0070.06013.85
5.3.40.0030.06313.80
5.3.30.0130.06713.68
5.3.20.0130.06713.55
5.3.10.0100.06713.41
5.3.00.0070.06013.63
5.2.170.0070.06011.21
5.2.160.0070.04010.96
5.2.150.0000.04311.18
5.2.140.0030.06311.06
5.2.130.0130.02310.95
5.2.120.0070.06311.08
5.2.110.0100.02710.91
5.2.100.0030.06311.10
5.2.90.0000.04310.93
5.2.80.0000.05711.08
5.2.70.0030.03311.11
5.2.60.0130.05010.80
5.2.50.0030.06310.80
5.2.40.0030.06010.84
5.2.30.0030.05310.93
5.2.20.0070.05710.95
5.2.10.0030.06010.77
5.2.00.0070.03310.77
5.1.60.0000.04010.03
5.1.50.0030.02710.02
5.1.40.0070.05010.02
5.1.30.0030.05710.19
5.1.20.0100.04710.35
5.1.10.0070.0409.91
5.1.00.0030.05010.06
5.0.50.0030.0438.59
5.0.40.0030.0378.41
5.0.30.0000.0608.29
5.0.20.0000.0308.27
5.0.10.0100.0308.16
5.0.00.0070.0608.16
4.4.90.0100.0237.27
4.4.80.0130.0107.27
4.4.70.0000.0377.27
4.4.60.0030.0277.27
4.4.50.0000.0277.27
4.4.40.0070.0307.27
4.4.30.0030.0177.27
4.4.20.0000.0207.27
4.4.10.0030.0207.27
4.4.00.0030.0407.27
4.3.110.0130.0207.27
4.3.100.0030.0177.27
4.3.90.0030.0177.27
4.3.80.0030.0537.27
4.3.70.0000.0377.27
4.3.60.0000.0307.27
4.3.50.0030.0337.27
4.3.40.0070.0477.27
4.3.30.0000.0277.27
4.3.20.0000.0337.27
4.3.10.0000.0277.27
4.3.00.0000.0377.27

preferences:
38.2 ms | 401 KiB | 5 Q