3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "{\"abcd\":\"123}"; $json = json_decode($str); echo ($json == NULL); var_dump($json); ?>

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)
8.3.40.0070.00718.71
8.3.30.0120.00318.79
8.3.20.0040.00420.16
8.3.10.0040.00420.34
8.3.00.0040.00419.13
8.2.170.0140.00722.96
8.2.160.0100.00320.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.02
8.2.110.0080.00020.35
8.2.100.0060.00617.97
8.2.90.0060.00619.07
8.2.80.0050.00317.97
8.2.70.0040.00417.49
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0000.00718.01
8.2.30.0000.00719.42
8.2.20.0040.00417.55
8.2.10.0050.00218.11
8.2.00.0050.00317.61
8.1.270.0040.00421.97
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00723.79
8.1.230.0110.00019.09
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0060.00318.58
8.1.160.0080.00022.01
8.1.150.0070.00018.91
8.1.140.0040.00417.44
8.1.130.0000.00717.75
8.1.120.0000.00717.45
8.1.110.0030.00517.41
8.1.100.0040.00417.36
8.1.90.0000.00817.43
8.1.80.0030.00517.45
8.1.70.0030.00317.32
8.1.60.0060.00317.61
8.1.50.0040.00417.47
8.1.40.0030.00617.46
8.1.30.0080.00017.62
8.1.20.0080.00017.54
8.1.10.0000.00817.52
8.1.00.0040.00417.42
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.37
8.0.270.0050.00317.16
8.0.260.0030.00317.12
8.0.250.0030.00316.85
8.0.240.0070.00016.88
8.0.230.0000.00716.88
8.0.220.0030.00316.89
8.0.210.0070.00016.91
8.0.200.0000.00716.95
8.0.190.0050.00316.93
8.0.180.0040.00416.94
8.0.170.0040.00416.80
8.0.160.0000.00816.88
8.0.150.0000.00816.81
8.0.140.0040.00416.81
8.0.130.0000.00513.32
8.0.120.0030.00616.86
8.0.110.0070.00016.89
8.0.100.0070.00016.91
8.0.90.0000.00716.71
8.0.80.0120.00916.85
8.0.70.0000.00716.78
8.0.60.0040.00416.85
8.0.50.0070.00016.79
8.0.30.0080.01117.11
8.0.20.0100.00817.40
8.0.10.0070.00016.88
8.0.00.0120.00616.91
7.4.330.0000.00415.00
7.4.320.0020.00516.64
7.4.300.0060.00016.59
7.4.290.0000.00616.39
7.4.280.0040.00416.53
7.4.270.0000.00716.51
7.4.260.0000.00716.52
7.4.250.0000.00716.52
7.4.240.0050.00216.56
7.4.230.0070.00016.35
7.4.220.0090.01516.46
7.4.210.0060.00816.70
7.4.200.0050.00216.35
7.4.160.0070.01016.56
7.4.150.0090.01017.40
7.4.140.0070.00717.86
7.4.130.0090.00916.65
7.4.120.0090.00816.51
7.4.110.0090.00916.46
7.4.100.0160.00616.33
7.4.90.0090.00916.38
7.4.80.0130.00319.39
7.4.70.0100.01016.58
7.4.60.0100.00616.48
7.4.50.0040.00416.54
7.4.40.0120.00616.36
7.4.30.0110.00616.39
7.4.00.0090.00614.84
7.3.330.0030.00313.03
7.3.320.0000.00512.93
7.3.310.0040.00416.14
7.3.300.0060.00316.06
7.3.290.0090.00616.24
7.3.280.0070.00816.25
7.3.270.0070.01017.40
7.3.260.0100.00716.18
7.3.250.0100.00716.34
7.3.240.0160.00616.39
7.3.230.0090.00916.39
7.3.210.0100.00616.42
7.3.200.0060.01619.39
7.3.190.0070.01016.43
7.3.180.0040.01116.54
7.3.170.0160.00016.45
7.3.160.0130.00316.46
7.2.330.0100.00716.59
7.2.320.0150.00616.73
7.2.310.0140.01116.50
7.2.300.0090.00916.29
7.2.290.0070.01016.66
7.2.60.0070.00716.64
7.2.00.0070.00419.40
7.1.200.0090.00315.77
7.1.100.0060.00618.07
7.1.70.0040.00417.19
7.1.60.0180.00719.61
7.1.50.0120.00916.88
7.1.00.0030.07722.28
7.0.200.0360.00314.65
7.0.140.0030.07021.95
7.0.100.0170.05019.97
7.0.90.0130.08019.91
7.0.80.0100.08319.96
7.0.70.0200.07319.82
7.0.60.0130.08020.05
7.0.50.0070.08020.29
7.0.40.0100.08020.05
7.0.30.0070.07319.99
7.0.20.0030.08320.13
7.0.10.0000.09019.98
7.0.00.0070.08720.16
5.6.250.0200.07020.72
5.6.240.0130.06720.72
5.6.230.0070.08720.71
5.6.220.0100.04720.66
5.6.210.0070.08020.46
5.6.200.0100.08721.03
5.6.190.0030.09021.18
5.6.180.0070.08321.02
5.6.170.0100.08321.16
5.6.160.0130.05320.91
5.6.150.0130.07320.93
5.6.140.0030.09021.05
5.6.130.0130.07721.00
5.6.120.0070.08321.07
5.6.110.0170.07320.93
5.6.100.0130.08020.93
5.6.90.0000.08721.05
5.6.80.0100.07720.49
5.6.70.0200.06320.38
5.6.60.0030.08020.32
5.6.50.0070.08320.34
5.6.40.0030.08320.30
5.6.30.0100.06320.38
5.6.20.0030.04020.39
5.6.10.0070.08020.30
5.6.00.0100.07320.27
5.5.380.0130.07020.49
5.5.370.0000.09020.50
5.5.360.0170.06720.49
5.5.350.0070.08720.33
5.5.340.0130.07020.91
5.5.330.0170.07320.79
5.5.320.0070.05720.82
5.5.310.0070.06320.90
5.5.300.0030.08720.87
5.5.290.0230.07020.90
5.5.280.0100.07720.86
5.5.270.0130.08720.61
5.5.260.0030.07320.86
5.5.250.0100.07720.69
5.5.240.0030.08020.29
5.5.230.0200.06020.19
5.5.220.0100.04020.28
5.5.210.0100.05320.24
5.5.200.0000.07720.26
5.5.190.0070.08320.26
5.5.180.0130.07320.21
5.5.160.0070.08020.21
5.5.150.0170.05320.07
5.5.140.0130.07320.14
5.5.130.0070.07720.11
5.5.120.0030.08020.22
5.5.110.0030.05320.09
5.5.100.0100.07720.09
5.5.90.0100.07320.09
5.5.80.0000.09019.94
5.5.70.0000.06320.07
5.5.60.0100.07020.05
5.5.50.0030.07319.95
5.5.40.0130.07720.07
5.5.30.0030.06020.04
5.5.20.0170.05720.02
5.5.10.0100.08019.97
5.5.00.0170.06320.04
5.4.450.0100.08019.45
5.4.440.0130.05019.40
5.4.430.0100.07719.43
5.4.420.0100.08019.44
5.4.410.0030.06719.28
5.4.400.0030.08019.03
5.4.390.0070.07719.04
5.4.380.0100.05719.14
5.4.370.0170.05019.03
5.4.360.0100.04319.03
5.4.350.0130.06718.81
5.4.340.0100.07019.12
5.4.320.0030.06719.11
5.4.310.0100.07318.96
5.4.300.0000.08019.00
5.4.290.0100.07319.04
5.4.280.0130.05319.04
5.4.270.0130.07018.81
5.4.260.0130.03719.02
5.4.250.0100.07719.07
5.4.240.0030.08318.96
5.4.230.0130.07318.97
5.4.220.0070.07318.96
5.4.210.0070.04019.02
5.4.200.0070.04719.11
5.4.190.0000.04719.04
5.4.180.0100.07019.21
5.4.170.0130.07019.02
5.4.160.0000.04318.76
5.4.150.0130.07318.76
5.4.140.0100.06316.23
5.4.130.0100.07016.12
5.4.120.0030.07316.27
5.4.110.0100.06016.36
5.4.100.0070.07016.34
5.4.90.0030.07316.43
5.4.80.0070.07016.21
5.4.70.0030.06716.29
5.4.60.0070.06716.23
5.4.50.0130.07316.42
5.4.40.0030.08016.33
5.4.30.0070.08016.40
5.4.20.0070.07316.41
5.4.10.0030.07316.39
5.4.00.0070.04315.56
5.3.290.0030.06014.57
5.3.280.0130.07314.57
5.3.270.0170.07014.56
5.3.260.0030.07014.59
5.3.250.0100.06314.56
5.3.240.0130.06714.44
5.3.230.0030.05714.58
5.3.220.0070.04014.56
5.3.210.0030.07314.57
5.3.200.0030.07714.52
5.3.190.0100.07014.55
5.3.180.0070.03014.55
5.3.170.0070.07314.54
5.3.160.0100.06714.42
5.3.150.0030.07014.43
5.3.140.0130.06314.38
5.3.130.0100.05714.39
5.3.120.0030.06014.36
5.3.110.0030.04314.42
5.3.100.0070.08013.87
5.3.90.0070.08013.98
5.3.80.0100.05713.88
5.3.70.0100.03713.92
5.3.60.0030.05713.86
5.3.50.0030.08013.92
5.3.40.0100.06713.79
5.3.30.0030.07713.87
5.3.20.0030.06713.64
5.3.10.0030.05013.43
5.3.00.0170.05713.58
5.2.170.0030.06311.16
5.2.160.0100.03311.22
5.2.150.0130.04710.93
5.2.140.0070.06011.18
5.2.130.0100.06011.12
5.2.120.0070.06310.93
5.2.110.0030.06010.91
5.2.100.0030.06710.91
5.2.90.0070.06011.05
5.2.80.0030.06710.92
5.2.70.0100.05710.88
5.2.60.0030.06011.07
5.2.50.0070.06010.88
5.2.40.0070.05710.95
5.2.30.0100.05710.80
5.2.20.0070.06310.88
5.2.10.0000.06310.87
5.2.00.0100.06010.57
5.1.60.0000.0539.97
5.1.50.0030.0579.88
5.1.40.0070.0509.97
5.1.30.0000.06010.36
5.1.20.0070.05010.40
5.1.10.0000.06010.11
5.1.00.0000.05710.14
5.0.50.0000.0479.13
5.0.40.0030.0439.13
5.0.30.0070.0639.13
5.0.20.0030.0479.13
5.0.10.0070.0339.13
5.0.00.0100.0409.13
4.4.90.0000.0409.13
4.4.80.0030.0339.13
4.4.70.0030.0339.13
4.4.60.0000.0279.13
4.4.50.0000.0379.13
4.4.40.0000.0539.13
4.4.30.0030.0339.13
4.4.20.0030.0339.13
4.4.10.0000.0209.13
4.4.00.0130.0309.13
4.3.110.0000.0409.13
4.3.100.0030.0339.13
4.3.90.0030.0339.13
4.3.80.0100.0479.13
4.3.70.0100.0309.13
4.3.60.0000.0379.13
4.3.50.0030.0239.13
4.3.40.0030.0279.13
4.3.30.0000.0379.13
4.3.20.0030.0309.13
4.3.10.0030.0209.13
4.3.00.0000.0339.13

preferences:
42.16 ms | 400 KiB | 5 Q