3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a['a'] = 'a'; $a['b'] = 'b'; echo $a->a; unset($a->a); var_dump($a);

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)
8.3.60.0040.01116.63
8.3.50.0140.00316.28
8.3.40.0090.00618.63
8.3.30.0110.00418.84
8.3.20.0040.00420.31
8.3.10.0000.00821.89
8.3.00.0040.00417.90
8.2.180.0170.00018.52
8.2.170.0070.00722.96
8.2.160.0100.00320.29
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00019.27
8.2.120.0050.00326.35
8.2.110.0030.00619.16
8.2.100.0040.00718.09
8.2.90.0080.00019.35
8.2.80.0040.00418.03
8.2.70.0030.00717.63
8.2.60.0030.00617.93
8.2.50.0040.00418.10
8.2.40.0040.00420.42
8.2.30.0040.00421.10
8.2.20.0000.00818.18
8.2.10.0000.00718.04
8.2.00.0070.00018.08
8.1.280.0040.01225.92
8.1.270.0030.00622.19
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0100.00022.61
8.1.230.0040.00817.45
8.1.220.0030.00617.79
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0080.00017.35
8.1.180.0000.00718.10
8.1.170.0090.00018.66
8.1.160.0000.00719.06
8.1.150.0040.00418.72
8.1.140.0000.00719.55
8.1.130.0000.00718.81
8.1.120.0050.00317.37
8.1.110.0020.00517.44
8.1.100.0000.00717.22
8.1.90.0070.00317.31
8.1.80.0000.00717.21
8.1.70.0000.00717.42
8.1.60.0040.00417.44
8.1.50.0000.00917.40
8.1.40.0040.00417.44
8.1.30.0040.00417.58
8.1.20.0000.00817.45
8.1.10.0040.00417.58
8.1.00.0050.00317.44
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0030.00318.45
8.0.270.0030.00317.16
8.0.260.0000.00716.98
8.0.250.0030.00316.94
8.0.240.0000.00717.01
8.0.230.0000.00716.93
8.0.220.0000.00816.89
8.0.210.0070.00016.92
8.0.200.0030.00316.93
8.0.190.0040.00417.00
8.0.180.0080.00016.87
8.0.170.0030.00316.91
8.0.160.0000.00716.84
8.0.150.0030.00416.90
8.0.140.0000.00816.76
8.0.130.0000.00513.31
8.0.120.0040.00416.83
8.0.110.0040.00416.99
8.0.100.0050.00316.90
8.0.90.0000.00716.78
8.0.80.0090.00616.81
8.0.70.0040.00416.88
8.0.60.0050.00216.82
8.0.50.0000.00816.82
8.0.30.0130.00417.02
8.0.20.0110.00717.40
8.0.10.0070.00016.93
8.0.00.0030.01416.80
7.4.330.0030.00315.55
7.4.320.0030.00316.43
7.4.300.0030.00316.54
7.4.290.0080.00016.41
7.4.280.0000.00716.36
7.4.270.0030.00316.41
7.4.260.0000.00513.19
7.4.250.0040.00416.29
7.4.240.0080.00016.46
7.4.230.0080.00016.32
7.4.220.0120.00616.41
7.4.210.0060.01116.40
7.4.200.0070.00016.31
7.4.160.0080.00816.46
7.4.150.0070.01117.40
7.4.140.0090.01117.86
7.4.130.0070.01116.50
7.4.120.0120.00816.45
7.4.110.0100.00716.77
7.4.100.0070.01016.59
7.4.90.0110.00716.54
7.4.80.0110.00519.39
7.4.70.0100.00616.44
7.4.60.0090.00716.39
7.4.50.0090.00616.21
7.4.40.0190.00416.36
7.4.30.0080.00816.58
7.4.00.0040.00815.12
7.3.330.0050.00013.04
7.3.320.0050.00013.18
7.3.310.0030.00616.38
7.3.300.0000.00616.27
7.3.290.0090.00516.29
7.3.280.0100.00616.33
7.3.270.0070.01117.40
7.3.260.0090.00916.50
7.3.250.0070.01116.39
7.3.240.0140.00516.51
7.3.230.0160.00316.50
7.3.210.0060.01116.50
7.3.200.0110.01116.33
7.3.190.0110.00616.38
7.3.180.0120.00916.34
7.3.170.0100.01016.41
7.3.160.0110.00516.56
7.2.330.0030.01616.72
7.2.320.0100.00716.44
7.2.310.0060.00916.48
7.2.300.0150.00616.77
7.2.290.0150.00916.33
7.2.60.0100.00316.82
7.2.00.0090.00619.44
7.1.200.0140.00015.80
7.1.100.0000.01718.12
7.1.70.0030.00917.07
7.1.60.0220.01035.06
7.1.50.0150.01234.83
7.1.40.0180.00934.38
7.1.30.0190.01034.41
7.1.20.0140.01834.69
7.1.10.0000.01316.64
7.1.00.0030.01016.55
7.0.200.0070.00716.66
7.0.190.0030.01316.38
7.0.180.0070.00715.95
7.0.170.0040.01116.13
7.0.160.0070.00716.37
7.0.150.0070.00716.28
7.0.140.0110.00716.20
7.0.130.0060.00916.58
7.0.120.0100.00316.30
7.0.110.0100.00316.49
7.0.100.0120.00316.23
7.0.90.0100.00316.12
7.0.80.0050.01016.20
7.0.70.0030.01016.18
7.0.60.0090.00316.01
7.0.50.0070.01316.24
7.0.40.0000.01316.58
7.0.30.0000.01416.36
7.0.20.0100.00716.54
7.0.10.0150.00016.34
7.0.00.0000.01416.46

preferences:
69.99 ms | 401 KiB | 5 Q