3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(defined('JSON_C_VERSION') ? JSON_C_VERSION : NULL); var_dump(PHP_INT_SIZE); echo "JSON_BIGINT_AS_STRING:\n"; var_dump(json_decode('[12345678901234567890]', TRUE, 512, JSON_BIGINT_AS_STRING)); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : '?'); echo "Invalid UTF-8 input:\n"; var_dump(json_decode("\"\xff\"")); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : '?'); echo "Valid UTF-8 input, but the result can not be (lead surrogate followed by lead surrogate):\n"; var_dump(json_decode('"\uD811\uD811"')); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : '?'); echo "Fatal error:\n"; var_dump(json_decode('{"\u0000": 1}')); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : '?');

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)
8.3.60.0070.01418.30
8.3.50.0130.00321.87
8.3.40.0040.01118.64
8.3.30.0070.00719.09
8.3.20.0100.00020.13
8.3.10.0040.00421.92
8.3.00.0050.00222.40
8.2.180.0070.01416.50
8.2.170.0120.00622.96
8.2.160.0070.00720.43
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0030.00626.16
8.2.120.0050.00319.48
8.2.110.0100.00020.28
8.2.100.0040.00817.66
8.2.90.0060.00318.03
8.2.80.0050.00318.04
8.2.70.0030.00617.50
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0000.00718.02
8.2.20.0000.00717.63
8.2.10.0040.00419.45
8.2.00.0030.00517.65
8.1.280.0100.01025.92
8.1.270.0050.00322.05
8.1.260.0000.00826.35
8.1.250.0090.00028.09
8.1.240.0040.00422.19
8.1.230.0070.00720.84
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0040.00417.28
8.1.180.0030.00518.10
8.1.170.0080.00018.59
8.1.160.0030.00621.99
8.1.150.0000.00718.50
8.1.140.0040.00417.36
8.1.130.0000.00717.75
8.1.120.0040.00417.33
8.1.110.0070.00017.41
8.1.100.0070.00017.41
8.1.90.0070.00317.31
8.1.80.0000.00817.32
8.1.70.0050.00517.34
8.1.60.0000.00817.59
8.1.50.0030.00617.37
8.1.40.0000.00817.43
8.1.30.0070.00017.49
8.1.20.0060.00317.57
8.1.10.0040.00417.45
8.1.00.0050.00317.30
8.0.300.0040.00419.96
8.0.290.0040.00417.15
8.0.280.0050.00318.33
8.0.270.0000.00717.22
8.0.260.0030.00316.84
8.0.250.0040.00416.97
8.0.240.0080.00016.82
8.0.230.0040.00416.83
8.0.220.0040.00416.77
8.0.210.0000.00716.84
8.0.200.0030.00616.85
8.0.190.0040.00416.77
8.0.180.0070.00016.86
8.0.170.0000.00716.79
8.0.160.0030.00516.84
8.0.150.0000.00816.70
8.0.140.0040.00416.84
8.0.130.0050.00013.26
8.0.120.0030.00516.71
8.0.110.0000.00816.75
8.0.100.0000.00816.89
8.0.90.0070.00016.84
8.0.80.0060.01416.81
8.0.70.0050.00316.64
8.0.60.0000.00716.86
8.0.50.0000.00716.80
8.0.30.0130.00617.04
8.0.20.0120.00617.40
8.0.10.0040.00417.02
8.0.00.0160.00716.69
7.4.330.0060.00015.00
7.4.320.0040.00416.41
7.4.300.0030.00316.37
7.4.290.0040.00416.49
7.4.280.0000.00716.49
7.4.270.0000.00816.41
7.4.260.0030.00316.38
7.4.250.0040.00416.41
7.4.240.0040.00316.48
7.4.230.0000.00716.35
7.4.220.0030.01716.44
7.4.210.0110.00516.40
7.4.200.0040.00416.43
7.4.190.0000.00716.65
7.4.160.0040.01316.25
7.4.150.0130.00417.40
7.4.140.0110.00617.86
7.4.130.0080.00916.29
7.4.120.0100.00816.33
7.4.110.0090.00916.52
7.4.100.0060.01716.49
7.4.90.0030.01316.30
7.4.80.0120.00919.39
7.4.70.0050.01116.29
7.4.60.0070.01216.30
7.4.50.0040.00416.00
7.4.40.0070.00822.77
7.4.30.0040.01316.32
7.4.00.0040.00714.88
7.3.330.0030.00513.07
7.3.320.0030.00213.13
7.3.310.0000.00716.38
7.3.300.0000.00716.08
7.3.290.0070.00716.18
7.3.280.0070.00916.25
7.3.270.0100.00717.40
7.3.260.0110.01116.44
7.3.250.0040.01316.37
7.3.240.0160.00016.20
7.3.230.0140.00316.39
7.3.210.0060.01116.26
7.3.200.0120.00419.39
7.3.190.0030.01616.51
7.3.180.0070.01416.23
7.3.170.0080.00816.33
7.3.160.0040.01316.53
7.3.120.0040.01114.80
7.2.330.0070.01016.63
7.2.320.0070.01716.56
7.2.310.0220.00316.43
7.2.300.0070.01716.54
7.2.290.0090.01316.39
7.2.80.0040.01116.33
7.2.60.0090.00416.82
7.1.200.0070.00715.70
7.1.100.0030.01017.87
7.1.70.0030.01016.98
7.1.60.0170.00719.82
7.1.50.0130.01016.59
7.1.00.0070.07322.33
7.0.200.0000.00716.61
7.0.140.0070.07022.00
7.0.60.0170.07019.92
7.0.50.0070.04017.88
7.0.40.0130.08320.04
7.0.30.0330.07720.34
7.0.20.0270.08020.19
7.0.10.0270.08720.18
7.0.00.0030.07020.16
5.6.280.0000.07721.07
5.6.210.0030.04320.53
5.6.200.0130.07718.20
5.6.190.0100.08320.73
5.6.180.3530.04320.53
5.6.170.0230.04720.38
5.6.160.0130.07020.43
5.6.150.0100.05718.09
5.6.140.0170.07018.14
5.6.130.0130.07718.09
5.6.120.0000.09321.12
5.6.110.0070.08721.11
5.6.100.0100.08320.98
5.6.90.0070.04021.10
5.6.80.0100.07320.48
5.6.70.0330.07020.37
5.5.350.0030.08020.35
5.5.340.0130.05717.98
5.5.330.0000.04720.23
5.5.320.0330.07020.34
5.5.310.0330.06020.28
5.5.300.0130.07017.91
5.5.290.0130.06017.92
5.5.280.0100.05020.69
5.5.270.0070.04020.89
5.5.260.0130.07020.73
5.5.250.0100.08020.50
5.5.240.0030.04720.25
5.4.450.0600.06019.46
5.4.440.0800.06019.16
5.4.430.0170.05719.68
5.4.420.0130.05319.35
5.4.410.0100.05719.36
5.4.400.1630.00018.72
5.4.390.1630.00018.54
5.4.380.0300.05018.72
5.4.370.0270.05018.66
5.4.360.0130.05718.52
5.4.350.0230.05018.64
5.4.340.0370.04718.74
5.4.320.0120.03212.47
5.4.310.0090.04412.46
5.4.300.0080.03912.47
5.4.290.0040.04312.46
5.4.280.0060.03512.36
5.4.270.0170.05718.88
5.4.260.0100.07319.02
5.4.250.0100.07718.92
5.4.240.0130.04718.83
5.4.230.0070.06019.02
5.4.220.0030.06018.72
5.4.210.0130.05318.79
5.4.200.0100.07718.93
5.4.190.0070.06718.98
5.4.180.0170.04318.64
5.4.170.0130.06018.69
5.4.160.0230.05018.93
5.4.150.0070.07318.71
5.4.140.0130.05016.46
5.4.130.0200.04316.28
5.4.120.0200.06716.25
5.4.110.0100.06716.29
5.4.100.0130.05316.31
5.4.90.0100.06716.52
5.4.80.0100.05316.40
5.4.70.0100.07016.48
5.4.60.0200.06316.47
5.4.50.0070.05016.49
5.4.40.0200.04716.37
5.4.30.0070.05016.21
5.4.20.0130.07016.34
5.4.10.0230.05716.40
5.4.00.0200.05715.97
5.3.290.0090.04312.80
5.3.280.0200.05014.63
5.3.270.0170.05014.46
5.3.260.0130.05014.51
5.3.250.0130.06014.63
5.3.240.0230.06314.50
5.3.230.0100.06014.76
5.3.220.0070.08014.45
5.3.210.0030.07014.35
5.3.200.0200.05014.68
5.3.190.0170.05714.35
5.3.180.0170.05314.49
5.3.170.0000.06314.66
5.3.160.0230.06014.28
5.3.150.0030.06014.59
5.3.140.0170.06714.72
5.3.130.0170.06014.61
5.3.120.0070.06014.40
5.3.110.0070.08314.56
5.3.100.0130.05714.06
5.3.90.0070.05013.96
5.3.80.0100.07314.18
5.3.70.0100.05014.02
5.3.60.0030.07314.10
5.3.50.0170.05313.81
5.3.40.0200.06713.98
5.3.30.0130.05313.79
5.3.20.0070.06713.54
5.3.10.0100.05313.36
5.3.00.0200.05313.59
5.2.170.0030.04711.06
5.2.160.0070.05011.27
5.2.150.0070.04710.91
5.2.140.0100.05311.16
5.2.130.0130.04711.20
5.2.120.0100.05011.22
5.2.110.0100.05311.26
5.2.100.0070.06011.01
5.2.90.0100.05711.22
5.2.80.0170.04711.11
5.2.70.0030.04710.95
5.2.60.0100.05311.15
5.2.50.0130.03311.01
5.2.40.0100.04311.16
5.2.30.0170.04011.02
5.2.20.0170.04310.87
5.2.10.0170.04711.05
5.2.00.0070.05310.73
5.1.60.0070.04710.05
5.1.50.0070.03710.06
5.1.40.0030.0509.93
5.1.30.0030.04710.42
5.1.20.0100.04010.45
5.1.10.0170.0309.96
5.1.00.0030.04710.14
5.0.50.0070.0378.48
5.0.40.0070.0278.27
5.0.30.0070.0538.38
5.0.20.0100.0308.26
5.0.10.0030.0378.18
5.0.00.0030.0538.17
4.4.90.0030.0336.59
4.4.80.0030.0206.59
4.4.70.0100.0176.55
4.4.60.0100.0206.55
4.4.50.0000.0236.55
4.4.40.0000.0506.55
4.4.30.0070.0276.55
4.4.20.0200.0136.55
4.4.10.0030.0276.55
4.4.00.0070.0376.55
4.3.110.0030.0306.55
4.3.100.0000.0336.55
4.3.90.0070.0236.55
4.3.80.0070.0306.55
4.3.70.0000.0336.55
4.3.60.0100.0176.55
4.3.50.0030.0236.55
4.3.40.0070.0306.55
4.3.30.0000.0236.55
4.3.20.0000.0236.55
4.3.10.0030.0206.55
4.3.00.0100.0176.14

preferences:
51.66 ms | 401 KiB | 5 Q