3v4l.org

run code in 300+ PHP versions simultaneously
<?php $oi = "oioioioioi"; $oi2 = $oi; $oi[4] = 20; var_dump($oi); var_dump($oi2);

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)
8.3.60.0060.00918.50
8.3.50.0130.00318.12
8.3.40.0150.00418.74
8.3.30.0070.00718.93
8.3.20.0040.00419.22
8.3.10.0080.00023.48
8.3.00.0000.00720.61
8.2.180.0140.00018.29
8.2.170.0070.00722.96
8.2.160.0070.00722.27
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00419.83
8.2.120.0080.00026.35
8.2.110.0060.00320.94
8.2.100.0040.00817.91
8.2.90.0030.00517.50
8.2.80.0040.00417.97
8.2.70.0090.00018.03
8.2.60.0040.00418.22
8.2.50.0020.00518.10
8.2.40.0080.00019.38
8.2.30.0000.00719.16
8.2.20.0050.00318.09
8.2.10.0040.00417.98
8.2.00.0040.00417.70
8.1.280.0180.00025.92
8.1.270.0070.00022.19
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0090.00023.82
8.1.230.0080.00320.50
8.1.220.0060.00317.79
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0060.00317.48
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0040.00418.88
8.1.150.0000.00718.79
8.1.140.0070.00022.01
8.1.130.0030.00320.31
8.1.120.0030.00417.42
8.1.110.0040.00417.34
8.1.100.0040.00517.46
8.1.90.0080.00017.43
8.1.80.0050.00217.30
8.1.70.0070.00017.29
8.1.60.0040.00417.54
8.1.50.0040.00417.44
8.1.40.0040.00417.40
8.1.30.0000.01017.67
8.1.20.0000.00717.63
8.1.10.0040.00417.47
8.1.00.0030.00517.45
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00718.44
8.0.270.0030.00317.29
8.0.260.0000.00618.30
8.0.250.0000.00716.88
8.0.240.0040.00417.05
8.0.230.0030.00517.00
8.0.220.0060.00316.80
8.0.210.0000.00716.93
8.0.200.0000.00816.91
8.0.190.0030.00517.02
8.0.180.0040.00416.90
8.0.170.0000.00916.98
8.0.160.0040.00416.96
8.0.150.0040.00616.87
8.0.140.0000.00816.77
8.0.130.0030.00313.41
8.0.120.0000.00816.82
8.0.110.0070.00016.80
8.0.100.0030.00616.66
8.0.90.0000.00816.96
8.0.80.0140.00916.94
8.0.70.0040.00416.83
8.0.60.0000.00716.92
8.0.50.0040.00416.81
8.0.30.0080.01017.18
8.0.20.0070.01817.40
8.0.10.0040.00417.10
8.0.00.0120.00616.70
7.4.330.0000.00515.55
7.4.320.0060.00016.56
7.4.300.0030.00316.50
7.4.290.0030.00316.58
7.4.280.0000.00816.55
7.4.270.0050.00216.53
7.4.260.0070.00016.55
7.4.250.0040.00416.36
7.4.240.0070.00016.51
7.4.230.0030.00316.33
7.4.220.0000.00816.67
7.4.210.0050.00916.56
7.4.200.0030.00316.61
7.4.160.0100.00716.49
7.4.140.0110.00917.86
7.4.130.0140.00316.44
7.4.120.0110.01016.48
7.4.110.0090.01316.27
7.4.100.0030.01316.55
7.4.90.0170.00016.53
7.4.80.0080.00819.39
7.4.70.0070.01016.48
7.4.60.0100.00616.36
7.4.50.0120.00316.47
7.4.40.0070.01016.43
7.3.330.0000.00513.11
7.3.320.0000.00513.11
7.3.310.0080.00016.22
7.3.300.0030.00316.27
7.3.290.0030.00316.29
7.3.280.0100.00716.18
7.3.260.0090.01016.30
7.3.240.0100.00616.30
7.3.230.0090.00916.32
7.3.210.0070.01016.28
7.3.200.0140.00316.30
7.3.190.0170.00716.18
7.3.180.0100.00616.39
7.3.170.0100.00716.25
7.3.160.0110.00716.39
7.2.330.0070.01016.32
7.2.320.0070.01416.34
7.2.310.0100.00716.56
7.2.300.0080.00816.40
7.2.290.0060.01516.40

preferences:
68.53 ms | 401 KiB | 5 Q