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); /*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)
8.3.60.0070.01418.43
8.3.50.0000.01418.20
8.3.40.0080.00818.80
8.3.30.0110.00418.79
8.3.20.0070.00020.16
8.3.10.0000.00723.64
8.3.00.0040.00419.05
8.2.180.0000.01518.29
8.2.170.0140.00022.96
8.2.160.0060.01022.31
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0140.00426.16
8.2.120.0040.00419.54
8.2.110.0070.00321.08
8.2.100.0090.00317.78
8.2.90.0060.00317.91
8.2.80.0000.00819.16
8.2.70.0030.00617.80
8.2.60.0040.00418.16
8.2.50.0000.00818.10
8.2.40.0000.00719.34
8.2.30.0030.00619.18
8.2.20.0030.00617.48
8.2.10.0080.00018.09
8.2.00.0040.00417.48
8.1.280.0060.00925.92
8.1.270.0030.00623.77
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00622.16
8.1.230.0090.00320.89
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0030.00517.23
8.1.180.0050.00318.10
8.1.170.0030.00618.39
8.1.160.0030.00718.69
8.1.150.0040.00418.83
8.1.140.0070.00017.29
8.1.130.0030.00317.78
8.1.120.0030.00317.39
8.1.110.0040.00417.28
8.1.100.0000.00817.27
8.1.90.0040.00417.37
8.1.80.0000.00717.30
8.1.70.0000.00717.26
8.1.60.0070.00317.48
8.1.50.0000.00917.37
8.1.40.0040.00417.48
8.1.30.0000.00817.47
8.1.20.0000.00717.57
8.1.10.0000.00717.35
8.1.00.0030.00617.39
8.0.300.0040.00420.07
8.0.290.0020.00516.63
8.0.280.0000.00718.43
8.0.270.0000.00817.23
8.0.260.0060.00017.18
8.0.250.0070.00016.75
8.0.240.0030.00316.90
8.0.230.0040.00416.75
8.0.220.0000.00716.81
8.0.210.0000.00716.81
8.0.200.0050.00216.77
8.0.190.0000.00716.86
8.0.180.0030.00316.85
8.0.170.0080.00016.85
8.0.160.0000.00716.87
8.0.150.0030.00716.78
8.0.140.0040.00416.81
8.0.130.0000.00713.24
8.0.120.0040.00416.68
8.0.110.0040.00416.75
8.0.100.0040.00416.86
8.0.90.0000.00716.70
8.0.80.0030.01916.84
8.0.70.0040.00416.75
8.0.60.0000.00716.86
8.0.50.0030.00516.73
8.0.30.0100.01317.13
8.0.20.0120.00817.40
8.0.10.0050.00216.78
8.0.00.0070.01116.69
7.4.330.0000.00515.03
7.4.320.0040.00416.42
7.4.300.0040.00416.54
7.4.290.0000.00716.50
7.4.280.0040.00716.46
7.4.270.0050.00316.36
7.4.260.0070.00016.42
7.4.250.0040.00416.38
7.4.240.0020.00616.47
7.4.230.0030.00316.36
7.4.220.0090.01116.48
7.4.210.0070.01416.55
7.4.200.0040.00316.32
7.4.160.0130.01016.30
7.4.150.0080.01017.40
7.4.140.0060.01517.86
7.4.130.0110.00616.33
7.4.120.0140.00716.34
7.4.110.0120.00916.47
7.4.100.0060.00916.34
7.4.90.0030.01316.23
7.4.80.0070.01619.39
7.4.70.0100.00716.37
7.4.60.0130.00616.45
7.4.50.0030.00616.49
7.4.40.0060.01216.44
7.4.30.0060.01216.49
7.4.00.0030.01014.91
7.3.330.0050.00012.95
7.3.320.0000.00613.08
7.3.310.0030.00316.09
7.3.300.0060.00016.09
7.3.290.0100.00516.17
7.3.280.0050.01216.06
7.3.270.0060.01217.40
7.3.260.0110.00616.43
7.3.250.0130.00816.24
7.3.240.0080.00616.09
7.3.230.0060.01216.39
7.3.210.0130.00316.17
7.3.200.0070.01019.39
7.3.190.0130.00716.35
7.3.180.0060.01016.05
7.3.170.0050.01716.51
7.3.160.0060.00916.54
7.2.330.0030.01316.57
7.2.320.0060.01116.57
7.2.310.0070.01016.33
7.2.300.0110.00716.60
7.2.290.0170.00716.60
7.2.00.0040.01119.16
7.1.100.0030.00617.57
7.1.70.0030.00516.82
7.1.60.0070.01719.22
7.1.50.0070.01416.84
7.1.00.0030.07322.30
7.0.200.0070.01016.42
7.0.140.0030.04722.04
7.0.90.0600.08719.87
7.0.80.0330.04019.90
7.0.70.0400.06019.88
7.0.60.0700.07019.94
7.0.50.0600.08720.25
7.0.40.0030.05320.09
7.0.30.0170.05020.19
7.0.20.0100.04720.13
7.0.10.0000.04720.09
7.0.00.0030.04720.14
5.6.280.0070.07021.13
5.6.240.0000.06320.50
5.6.230.0000.06720.67
5.6.220.0100.07320.62
5.6.210.0170.07020.75
5.6.200.0070.07320.95
5.6.190.0070.08721.03
5.6.180.0100.04020.92
5.6.170.0000.05721.08
5.6.160.0000.06021.02
5.6.150.0030.05021.11
5.6.140.0100.07321.01
5.6.130.0030.08021.04
5.6.120.0070.06721.07
5.6.110.0070.04721.02
5.6.100.0000.05321.00
5.6.90.0100.07021.01
5.6.80.0070.04320.43
5.6.70.0070.07320.45
5.6.60.0170.05320.53
5.6.50.0070.08020.44
5.6.40.0070.07320.38
5.6.30.0100.07020.36
5.6.20.0030.04320.46
5.6.10.0000.05020.39
5.6.00.0030.06020.46
5.5.380.0030.08020.54
5.5.370.0100.08320.35
5.5.360.0100.04020.36
5.5.350.0070.08020.43
5.5.340.0000.08320.91
5.5.330.0130.05320.82
5.5.320.0070.07020.85
5.5.310.0070.04020.79
5.5.300.0070.05020.86
5.5.290.0070.05320.87
5.5.280.0070.08320.91
5.5.270.0100.08020.92
5.5.260.0130.03320.90
5.5.250.0030.05020.45
5.5.240.0130.07720.17
5.5.230.0030.05720.23
5.5.220.0230.05720.10
5.5.210.0100.08020.13
5.5.200.0000.04320.27
5.5.190.0100.07720.11
5.5.180.0030.08320.17
5.5.160.0100.07720.14
5.5.150.0030.08720.26
5.5.140.0130.07720.12
5.5.130.0030.07319.98
5.5.120.0070.04320.14
5.5.110.0030.08020.09
5.5.100.0170.07020.02
5.5.90.0130.06720.11
5.5.80.0130.07320.09
5.5.70.0030.08020.08
5.5.60.0100.08720.03
5.5.50.0130.07720.05
5.5.40.0070.07020.05
5.5.30.0100.07320.04
5.5.20.0130.07320.04
5.5.10.0070.08720.02
5.5.00.0070.07720.04
5.4.450.0100.04319.23
5.4.440.0070.08019.35
5.4.430.0170.05019.28
5.4.420.0070.04019.12
5.4.410.0200.06319.27
5.4.400.0100.03719.08
5.4.390.0070.04319.06
5.4.380.0100.07018.81
5.4.370.0000.09019.16
5.4.360.0000.07019.13
5.4.350.0070.06319.12
5.4.340.0070.05019.05
5.4.320.0070.07719.09
5.4.310.0070.07718.98
5.4.300.0100.07319.12
5.4.290.0070.08018.98
5.4.280.0100.07019.12
5.4.270.0070.06019.09
5.4.260.0170.06718.89
5.4.250.0000.08319.09
5.4.240.0000.06719.22
5.4.230.0030.06018.94
5.4.220.0030.05019.06
5.4.210.0130.07018.97
5.4.200.0030.04719.09
5.4.190.0070.07019.13
5.4.180.0130.03719.01
5.4.170.0170.06318.80
5.4.160.0030.04319.01
5.4.150.0230.06018.76
5.4.140.0000.05016.29
5.4.130.0070.07016.31
5.4.120.0130.04716.23
5.4.110.0030.06316.25
5.4.100.0030.07316.20
5.4.90.0070.04716.32
5.4.80.0170.06016.42
5.4.70.0030.07316.31
5.4.60.0070.05316.34
5.4.50.0100.06316.41
5.4.40.0000.04716.23
5.4.30.0070.07016.22
5.4.20.0030.07716.23
5.4.10.0000.04716.40
5.4.00.0070.06015.74
5.3.290.0070.07014.66
5.3.280.0070.07014.53
5.3.270.0030.07314.46
5.3.260.0100.06014.61
5.3.250.0030.06714.59
5.3.240.0100.07714.54
5.3.230.0030.06014.62
5.3.220.0030.04014.51
5.3.210.0030.07314.42
5.3.200.0170.06014.54
5.3.190.0030.05014.51
5.3.180.0130.06714.52
5.3.170.0130.03014.42
5.3.160.0000.07714.50
5.3.150.0070.07014.57
5.3.140.0000.05014.52
5.3.130.0230.05314.53
5.3.120.0030.05014.50
5.3.110.0030.08014.50
5.3.100.0100.06714.02
5.3.90.0070.07314.01
5.3.80.0130.06313.95
5.3.70.0130.06313.87
5.3.60.0030.05013.96
5.3.50.0070.06313.88
5.3.40.0070.07313.88
5.3.30.0000.05013.84
5.3.20.0100.07313.65
5.3.10.0100.04013.50
5.3.00.0170.05313.42
5.2.170.0100.05710.93
5.2.160.0130.04011.16
5.2.150.0000.06311.13
5.2.140.0130.05711.13
5.2.130.0030.06011.16
5.2.120.0030.06311.04
5.2.110.0100.05710.92
5.2.100.0030.06011.08
5.2.90.0170.02011.05
5.2.80.0130.05311.13
5.2.70.0030.03311.14
5.2.60.0030.03711.00
5.2.50.0030.06310.81
5.2.40.0200.05311.06
5.2.30.0070.05710.96
5.2.20.0030.03310.88
5.2.10.0030.06010.71
5.2.00.0000.05010.64
5.1.60.0100.0539.98
5.1.50.0030.0509.98
5.1.40.0030.0409.96
5.1.30.0070.04710.38
5.1.20.0070.05310.36
5.1.10.0030.05710.14
5.1.00.0070.05010.07
5.0.50.0070.0438.42
5.0.40.0100.0408.45
5.0.30.0000.0438.21
5.0.20.0030.0278.31
5.0.10.0000.0238.29
5.0.00.0100.0308.23
4.4.90.0030.0306.99
4.4.80.0030.0376.99
4.4.70.0000.0376.99
4.4.60.0070.0306.99
4.4.50.0070.0306.99
4.4.40.0000.0536.99
4.4.30.0030.0236.99
4.4.20.0000.0406.99
4.4.10.0030.0276.99
4.4.00.0030.0436.99
4.3.110.0070.0306.99
4.3.100.0030.0236.99
4.3.90.0070.0106.99
4.3.80.0000.0436.99
4.3.70.0030.0136.99
4.3.60.0000.0176.99
4.3.50.0000.0236.99
4.3.40.0000.0336.99
4.3.30.0000.0306.99
4.3.20.0000.0176.99
4.3.10.0030.0176.99
4.3.00.0000.0176.99

preferences:
52.36 ms | 400 KiB | 5 Q