3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new stdClass(); $a->b = null; echo count($a->b);

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)
8.3.60.0040.01116.88
8.3.50.0100.00722.05
8.3.40.0130.00618.96
8.3.30.0130.00618.66
8.3.20.0000.00720.30
8.3.10.0040.00423.66
8.3.00.0090.00019.50
8.2.180.0190.00318.30
8.2.170.0100.00722.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0060.00317.50
8.2.120.0000.00726.35
8.2.110.0000.00822.16
8.2.100.0130.00019.57
8.2.90.0000.00817.75
8.2.80.0040.00418.77
8.2.70.0000.00817.80
8.2.60.0000.00817.50
8.2.50.0030.00617.51
8.2.40.0040.00419.36
8.2.30.0030.00520.69
8.2.20.0090.00017.68
8.2.10.0000.00718.09
8.2.00.0000.00818.06
8.1.280.0140.00325.92
8.1.270.0090.00023.91
8.1.260.0040.00428.09
8.1.250.0030.00628.09
8.1.240.0100.01023.97
8.1.230.0080.00419.12
8.1.220.0000.01017.74
8.1.210.0000.00818.77
8.1.200.0050.00317.35
8.1.190.0040.00717.23
8.1.180.0000.00818.10
8.1.170.0030.00318.96
8.1.160.0000.00722.07
8.1.150.0070.00018.86
8.1.140.0040.00419.50
8.1.130.0070.00017.71
8.1.120.0000.00717.49
8.1.110.0080.00017.50
8.1.100.0070.00017.34
8.1.90.0000.00817.46
8.1.80.0070.00017.38
8.1.70.0070.00017.46
8.1.60.0050.00317.55
8.1.50.0030.00517.46
8.1.40.0040.00417.43
8.1.30.0040.00417.57
8.1.20.0040.00417.53
8.1.10.0000.00717.49
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00718.39
8.0.270.0030.00317.20
8.0.260.0000.00617.20
8.0.250.0030.00516.96
8.0.240.0030.00616.98
8.0.230.0000.00717.01
8.0.220.0030.00316.84
8.0.210.0000.00616.93
8.0.200.0030.00316.86
8.0.190.0050.00316.89
8.0.180.0040.00416.96
8.0.170.0030.00516.89
8.0.160.0070.00016.85
8.0.150.0000.00716.88
8.0.140.0060.00316.94
8.0.130.0070.00013.34
8.0.120.0000.00916.91
8.0.110.0040.00416.82
8.0.100.0050.00316.83
8.0.90.0070.00017.07
8.0.80.0080.00716.88
8.0.70.0040.00416.93
8.0.60.0030.00516.86
8.0.50.0070.00016.92
8.0.30.0160.00517.16
8.0.20.0120.00617.40
8.0.10.0000.00817.16
8.0.00.0110.00616.69
7.4.330.0050.00016.67
7.4.320.0030.00316.41
7.4.300.0000.00616.61
7.4.290.0030.00316.59
7.4.280.0090.00016.51
7.4.270.0030.00316.57
7.4.260.0080.00016.49
7.4.250.0000.00716.46
7.4.240.0050.00316.57
7.4.230.0070.00016.41
7.4.220.0140.01116.48
7.4.210.0060.01316.63
7.4.200.0070.00016.61
7.4.160.0120.00316.65
7.4.150.0110.00917.40
7.4.140.0100.01317.86
7.4.130.0090.01116.57
7.4.120.0120.00616.50
7.4.110.0100.01416.48
7.4.100.0100.01316.55
7.4.90.0000.01616.54
7.4.80.0090.00919.39
7.4.70.0000.01616.61
7.4.60.0000.01616.64
7.4.50.0070.01016.38
7.4.40.0100.00616.30
7.4.30.0130.00416.52
7.4.00.0030.01414.91
7.3.330.0000.00913.02
7.3.320.0000.00513.11
7.3.310.0030.00316.33
7.3.300.0000.00616.22
7.3.290.0070.01016.25
7.3.280.0060.00916.29
7.3.270.0070.01617.40
7.3.260.0090.00916.58
7.3.250.0160.00416.27
7.3.240.0120.00816.36
7.3.230.0140.00316.39
7.3.210.0060.01616.41
7.3.200.0110.00516.37
7.3.190.0090.00616.44
7.3.180.0040.01416.32
7.3.170.0070.01016.38
7.3.160.0160.00016.55
7.3.120.0040.01214.89
7.3.110.0090.00714.54
7.3.100.0110.00414.54
7.3.90.0070.00714.79
7.3.80.0080.00414.82
7.3.70.0040.00714.76
7.3.60.0060.00614.55
7.3.50.0080.00014.63
7.3.40.0060.00614.81
7.3.30.0030.00714.66
7.3.20.0140.00016.60
7.3.10.0050.00716.47
7.3.00.0030.01016.45
7.2.330.0080.00816.44
7.2.320.0090.00716.28
7.2.310.0160.00916.49
7.2.300.0080.00816.36
7.2.290.0080.00816.52
7.2.250.0030.01615.04
7.2.240.0060.01315.22
7.2.230.0070.00315.10
7.2.220.0090.00915.14
7.2.210.0030.00815.13
7.2.200.0040.00714.93
7.2.190.0110.00414.63
7.2.180.0070.00414.59
7.2.170.0080.00615.13
7.2.130.0000.01216.90
7.2.120.0060.01016.82
7.2.110.0030.00916.88
7.2.100.0040.00716.47
7.2.90.0030.00617.03
7.2.80.0040.00816.94
7.2.70.0040.00416.96
7.2.60.0030.01117.01
7.2.50.0030.00716.93
7.2.40.0030.00616.93
7.2.30.0000.01316.82
7.2.20.0030.00717.00
7.2.10.0030.00716.77
7.2.00.0070.00918.13
7.1.330.0070.01015.32
7.1.320.0090.00615.77
7.1.310.0060.00615.79
7.1.300.0000.00815.89
7.1.290.0030.01115.98
7.1.280.0060.00915.74
7.1.270.0000.01315.79
7.1.260.0090.00615.56
7.1.250.0030.00715.64
7.1.200.0110.00015.92
7.1.100.0070.00317.86
7.1.70.0080.00317.14
7.1.60.0070.00319.36
7.1.50.0160.00616.57
7.1.00.0100.07022.28
7.0.200.0000.01016.75
7.0.100.0230.06020.18
7.0.90.0400.04720.05
7.0.80.0130.04319.91
7.0.70.0070.08319.95
7.0.60.0070.07319.96
7.0.50.0070.08320.32
7.0.40.0070.04320.14
7.0.30.0030.04320.07
7.0.20.0070.04320.14
7.0.10.0170.07320.12
7.0.00.0170.08020.02
5.6.280.0070.05321.04
5.6.250.0000.09020.61
5.6.240.0130.08020.71
5.6.230.0100.07320.59
5.6.220.0000.07020.66
5.6.210.0030.08320.55
5.6.200.0130.08020.94
5.6.190.0100.07321.08
5.6.180.0230.06721.03
5.6.170.0000.06321.08
5.6.160.0070.06020.93
5.6.150.0070.08021.17
5.6.140.0200.07721.01
5.6.130.0100.08021.00
5.6.120.0030.06321.16
5.6.110.0100.08321.02
5.6.100.0100.07720.91
5.6.90.0070.08721.09
5.6.80.0100.07720.40
5.6.70.0100.08320.39
5.6.60.0130.05020.33
5.6.50.0070.04720.52
5.6.40.0130.07320.52
5.6.30.0100.04020.49
5.6.20.0070.07320.53
5.6.10.0170.06320.39
5.6.00.0230.06720.36
5.5.380.0100.07720.35
5.5.370.0070.08020.56
5.5.360.0070.05020.39
5.5.350.0100.08020.33
5.5.340.0070.04720.76
5.5.330.0170.04020.87
5.5.320.0030.04320.93
5.5.310.0070.04320.90
5.5.300.0200.07020.89
5.5.290.0170.07720.80
5.5.280.0030.08720.86
5.5.270.0100.08020.76
5.5.260.0100.08020.82
5.5.250.0070.08020.54
5.5.240.0070.08320.29
5.5.230.0100.06020.20
5.5.220.0130.07720.28
5.5.210.0130.06320.17
5.5.200.0130.07320.22
5.5.190.0030.04020.27
5.5.180.0030.03320.23
5.5.160.0030.08320.12
5.5.150.0070.07020.25
5.5.140.0000.08020.18
5.5.130.0030.08720.26
5.5.120.0000.08020.20
5.5.110.0130.07020.22
5.5.100.0070.06020.15
5.5.90.0000.08020.07
5.5.80.0200.07020.00
5.5.70.0070.08019.96
5.5.60.0200.06320.08
5.5.50.0030.06320.13
5.5.40.0070.05019.96
5.5.30.0030.07020.05
5.5.20.0070.04720.07
5.5.10.0100.06320.03
5.5.00.0200.06720.07

preferences:
64.57 ms | 401 KiB | 5 Q