3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new class {}; function modify($a) { global $foo; var_dump($a === $foo); $a->hello = "world"; var_dump($a === $foo); } modify($foo); var_dump($foo);

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)
8.4.130.0120.00818.05
8.4.120.0090.01020.83
8.4.110.0130.00922.36
8.4.100.0120.00917.78
8.4.90.0100.01117.82
8.4.80.0070.00918.03
8.4.70.0140.00817.85
8.4.60.0100.00518.73
8.4.50.0030.00719.77
8.4.40.0180.00319.56
8.4.30.0100.01018.51
8.4.20.0130.00620.63
8.4.10.0040.00419.52
8.3.260.0100.00916.96
8.3.250.0060.00419.16
8.3.240.0100.00916.72
8.3.230.0010.00816.92
8.3.220.0060.00217.07
8.3.210.0110.00718.39
8.3.200.0060.00316.76
8.3.190.0110.00717.37
8.3.180.0140.00418.84
8.3.170.0040.01418.96
8.3.160.0150.00318.55
8.3.150.0050.01420.81
8.3.140.0090.00018.53
8.3.130.0040.00416.72
8.3.120.0060.00318.86
8.3.110.0050.00320.94
8.3.100.0130.00624.06
8.3.90.0060.00326.77
8.3.80.0000.00819.36
8.3.70.0040.01118.81
8.3.60.0110.00718.68
8.3.50.0130.00618.40
8.3.40.0150.00418.89
8.3.30.0090.00618.85
8.3.20.0050.00221.90
8.3.10.0050.00319.01
8.3.00.0040.00421.85
8.2.290.0070.00419.04
8.2.280.0130.00618.73
8.2.270.0090.00917.02
8.2.260.0120.00318.80
8.2.250.0000.00818.41
8.2.240.0060.00317.22
8.2.230.0080.00322.58
8.2.220.0040.00437.54
8.2.210.0110.00426.77
8.2.200.0040.00418.88
8.2.190.0090.00916.58
8.2.180.0110.00725.92
8.2.170.0140.00322.96
8.2.160.0130.00322.10
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0070.00026.16
8.2.120.0040.00419.67
8.2.110.0050.00522.43
8.2.100.0040.00820.91
8.2.90.0080.00017.50
8.2.80.0080.00018.78
8.2.70.0090.00017.93
8.2.60.0000.00817.50
8.2.50.0040.00418.10
8.2.40.0040.00419.33
8.2.30.0070.00020.38
8.2.20.0070.00018.16
8.2.10.0050.00218.87
8.2.00.0070.00019.84
8.1.330.0110.00721.80
8.1.320.0140.00617.82
8.1.310.0110.00716.82
8.1.300.0090.00016.70
8.1.290.0040.00430.84
8.1.280.0070.01125.92
8.1.270.0080.00022.06
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00423.91
8.1.230.0090.00319.00
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0040.00417.23
8.1.190.0090.00017.35
8.1.180.0050.00318.10
8.1.170.0040.00418.37
8.1.160.0030.00618.88
8.1.150.0030.00518.80
8.1.140.0040.00420.32
8.1.130.0030.00320.25
8.1.120.0040.00417.50
8.1.110.0040.00417.51
8.1.100.0100.00017.46
8.1.90.0070.00017.29
8.1.80.0000.00817.34
8.1.70.0110.00017.40
8.1.60.0040.00417.56
8.1.50.0040.00417.48
8.1.40.0000.00817.49
8.1.30.0060.00317.59
8.1.20.0050.00317.66
8.1.10.0060.00317.48
8.1.00.0030.00617.45
8.0.300.0030.00518.77
8.0.290.0040.00416.75
8.0.280.0000.00718.47
8.0.270.0000.00717.27
8.0.260.0000.00618.40
8.0.250.0000.00716.83
8.0.240.0030.00316.95
8.0.230.0030.00316.88
8.0.220.0000.00816.82
8.0.210.0040.00416.82
8.0.200.0030.00316.86
8.0.190.0040.00416.96
8.0.180.0070.00016.93
8.0.170.0040.00416.90
8.0.160.0080.00016.80
8.0.150.0000.00716.85
8.0.140.0000.00716.82
8.0.130.0030.00313.34
8.0.120.0000.00716.89
8.0.110.0040.00416.86
8.0.100.0000.00816.73
8.0.90.0000.00816.83
8.0.80.0170.00416.89
8.0.70.0070.00016.80
8.0.60.0000.00716.94
8.0.50.0040.00416.68
8.0.30.0080.00817.05
8.0.20.0030.01616.98
8.0.10.0000.00716.99
8.0.00.0110.00816.79
7.4.330.0030.00315.55
7.4.320.0030.00316.60
7.4.300.0060.00016.61
7.4.290.0050.00216.41
7.4.280.0080.00316.49
7.4.270.0070.00016.57
7.4.260.0030.00316.45
7.4.250.0030.00316.47
7.4.240.0070.00016.58
7.4.230.0000.00716.53
7.4.220.0050.00316.52
7.4.210.0090.00516.59
7.4.200.0040.00416.30
7.4.160.0110.00616.54
7.4.140.0070.01417.86
7.4.130.0060.01016.46
7.4.120.0140.00716.54
7.4.110.0090.00616.61
7.4.100.0090.00916.75
7.4.90.0090.00916.50
7.4.80.0060.01019.39
7.4.70.0070.01016.59
7.4.60.0060.01216.43
7.4.50.0080.00816.50
7.4.40.0100.00716.22
7.4.10.0070.01317.94
7.4.00.0060.01115.98
7.3.330.0020.00213.13
7.3.320.0000.00613.22
7.3.310.0000.00716.11
7.3.300.0000.00716.26
7.3.290.0030.00316.16
7.3.280.0130.00316.32
7.3.260.0110.00916.38
7.3.240.0050.01216.44
7.3.230.0130.00316.29
7.3.210.0060.01016.48
7.3.200.0090.00916.60
7.3.190.0030.01716.15
7.3.180.0060.01016.58
7.3.170.0090.00616.41
7.3.160.0060.00916.43
7.3.130.0060.01217.94
7.3.120.0030.01316.42
7.3.110.0050.01216.30
7.3.100.0030.01116.18
7.3.90.0080.00616.20
7.3.80.0030.00816.45
7.3.70.0020.01416.39
7.3.60.0050.00816.35
7.3.50.0040.01215.83
7.3.40.0090.00615.88
7.3.30.0060.00615.70
7.3.20.0080.00717.05
7.3.10.0060.01017.01
7.3.00.0060.00716.96
7.2.330.0120.00616.59
7.2.320.0130.00716.74
7.2.310.0070.00916.86
7.2.300.0070.01016.42
7.2.290.0100.01016.46
7.2.260.0120.00317.94
7.2.250.0100.00916.40
7.2.240.0070.01016.50
7.2.230.0120.00516.46
7.2.220.0050.00516.52
7.2.210.0050.00816.48
7.2.200.0050.01016.47
7.2.190.0050.00816.39
7.2.180.0090.01016.06
7.2.170.0050.00815.98
7.2.160.0050.00816.54
7.2.150.0070.01217.35
7.2.140.0070.00717.43
7.2.130.0140.00317.41
7.2.120.0080.01217.39
7.2.110.0040.01017.38
7.2.100.0030.00917.33
7.2.90.0040.00817.48
7.2.80.0070.00717.33
7.2.70.0090.00617.43
7.2.60.0070.00717.40
7.2.50.0070.00717.51
7.2.40.0090.00417.33
7.2.30.0050.00517.45
7.2.20.0080.00317.30
7.2.10.0050.01517.37
7.2.00.0040.00717.41
7.1.330.0050.00816.94
7.1.320.0000.01016.84
7.1.310.0020.01116.77
7.1.300.0070.00516.84
7.1.290.0070.00516.88
7.1.280.0070.00516.49
7.1.270.0050.01116.45
7.1.260.0040.01016.56
7.1.250.0040.00716.90
7.1.240.0130.00317.94
7.1.230.0070.00717.94
7.1.220.0030.01017.94
7.1.210.0070.00717.94
7.1.200.0040.01117.94
7.1.190.0000.01117.94
7.1.180.0070.01017.94
7.1.170.0000.01517.94
7.1.160.0070.00717.94
7.1.150.0040.00417.94
7.1.140.0060.00917.94
7.1.130.0040.00417.94
7.1.120.0090.00617.94
7.1.110.0080.00317.94
7.1.100.0070.00717.94
7.1.90.0030.01017.94
7.1.80.0040.00417.94
7.1.70.0030.01017.94
7.1.60.0040.00717.94
7.1.50.0130.00017.94
7.1.40.0080.00517.94
7.1.30.0100.00317.94
7.1.20.0070.00717.94
7.1.10.0080.00317.94
7.1.00.0030.01017.94

preferences:
25.32 ms | 403 KiB | 5 Q