3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { global $a; https://3v4l.org/ $a = 10; } function b() { echo $a; } a(); b(); echo $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)
8.3.60.0070.00716.75
8.3.50.0120.00316.32
8.3.40.0090.00618.84
8.3.30.0070.00718.84
8.3.20.0040.00420.39
8.3.10.0040.00423.70
8.3.00.0050.00223.65
8.2.180.0100.00725.92
8.2.170.0140.00718.96
8.2.160.0030.01022.96
8.2.150.0100.00325.66
8.2.140.0120.00324.66
8.2.130.0040.00422.08
8.2.120.0070.00026.16
8.2.110.0040.00721.07
8.2.100.0160.00017.62
8.2.90.0080.00019.17
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0030.00617.91
8.2.50.0000.00818.10
8.2.40.0040.00420.50
8.2.30.0040.00420.93
8.2.20.0040.00417.90
8.2.10.0040.00417.97
8.2.00.0070.00017.99
8.1.280.0110.00725.92
8.1.270.0080.00023.75
8.1.260.0000.01426.35
8.1.250.0040.00428.09
8.1.240.0090.00019.60
8.1.230.0000.01119.36
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.10
8.1.190.0000.00817.10
8.1.180.0000.00718.10
8.1.170.0070.00318.66
8.1.160.0040.00418.75
8.1.150.0050.00218.67
8.1.140.0040.00417.48
8.1.130.0030.00318.65
8.1.120.0040.00317.35
8.1.110.0000.00717.30
8.1.100.0000.00717.28
8.1.90.0000.00817.36
8.1.80.0040.00417.22
8.1.70.0000.00817.32
8.1.60.0040.00417.55
8.1.50.0040.00417.43
8.1.40.0000.00717.36
8.1.30.0000.00817.57
8.1.20.0060.00317.41
8.1.10.0000.00817.44
8.1.00.0090.00317.36
8.0.300.0040.00418.97
8.0.290.0000.00716.63
8.0.280.0000.00718.42
8.0.270.0050.00317.18
8.0.260.0060.00316.86
8.0.250.0060.00016.95
8.0.240.0060.00316.86
8.0.230.0070.00016.89
8.0.220.0000.00716.84
8.0.210.0000.00816.85
8.0.200.0000.00616.92
8.0.190.0030.00616.91
8.0.180.0000.00716.84
8.0.170.0090.00016.82
8.0.160.0000.00816.80
8.0.150.0000.00716.79
8.0.140.0000.00716.71
8.0.130.0070.00013.18
8.0.120.0060.00316.77
8.0.110.0000.00716.72
8.0.100.0040.00416.87
8.0.90.0040.00416.76
8.0.80.0090.00616.88
8.0.70.0040.00416.77
8.0.60.0040.00416.89
8.0.50.0000.00716.90
8.0.30.0060.01116.90
8.0.20.0100.01017.40
8.0.10.0040.00416.91
8.0.00.0060.01216.63
7.4.330.0060.00016.65
7.4.320.0000.00616.48
7.4.300.0060.00016.42
7.4.290.0000.00716.36
7.4.280.0040.00416.58
7.4.270.0000.00716.45
7.4.260.0000.00816.45
7.4.250.0000.00716.51
7.4.240.0030.00516.49
7.4.230.0030.00316.26
7.4.220.0130.01316.40
7.4.210.0100.00816.55
7.4.200.0030.00316.46
7.4.160.0040.01416.41
7.4.150.0030.01517.40
7.4.140.0110.00817.86
7.4.130.0070.01116.51
7.4.120.0090.01116.54
7.4.110.0060.01016.36
7.4.100.0030.01416.28
7.4.90.0070.01016.34
7.4.80.0140.00319.39
7.4.70.0000.02016.56
7.4.60.0060.01216.37
7.4.50.0070.00816.39
7.4.40.0150.00616.66
7.4.30.0090.00916.33
7.4.00.0100.00215.26
7.3.330.0000.00613.41
7.3.320.0050.00013.22
7.3.310.0000.00716.35
7.3.300.0000.00716.32
7.3.290.0060.00016.22
7.3.280.0090.00816.32
7.3.270.0120.00417.40
7.3.260.0050.01216.45
7.3.250.0100.01316.41
7.3.240.0120.00616.39
7.3.230.0090.00916.63
7.3.210.0030.01316.41
7.3.200.0130.00316.60
7.3.190.0090.00616.36
7.3.180.0090.00616.57
7.3.170.0170.00016.36
7.3.160.0170.00616.49
7.3.120.0070.01114.81
7.3.110.0060.01214.51
7.3.100.0070.00715.02
7.3.90.0060.00914.72
7.3.80.0050.00514.82
7.3.70.0030.01214.86
7.3.60.0000.00814.72
7.3.50.0030.01314.82
7.3.40.0030.00614.79
7.3.30.0070.00714.76
7.3.20.0030.00716.71
7.3.10.0030.01016.53
7.3.00.0070.00716.81
7.2.330.0150.00916.44
7.2.320.0070.01116.71
7.2.310.0040.01416.63
7.2.300.0110.01216.52
7.2.290.0140.00316.63
7.2.240.0070.01014.89
7.2.230.0070.00715.09
7.2.220.0030.01514.74
7.2.210.0000.01514.71
7.2.200.0070.00414.86
7.2.190.0000.01414.88
7.2.180.0030.01314.62
7.2.170.0070.00714.90
7.2.160.0030.01314.81
7.2.150.0090.00616.43
7.2.140.0040.00416.75
7.2.130.0070.01116.68
7.2.120.0030.00916.41
7.2.110.0030.00916.67
7.2.100.0080.00416.41
7.2.90.0060.00616.81
7.2.80.0000.01716.70
7.2.70.0120.00316.62
7.2.60.0090.00516.87
7.2.50.0030.00916.89
7.2.40.0080.00416.76
7.2.30.0060.01016.74
7.2.20.0040.01416.95
7.2.10.0070.01116.73
7.2.00.0100.00616.46
7.1.330.0060.01115.56
7.1.320.0030.01515.73
7.1.310.0120.00315.79
7.1.300.0070.00615.68
7.1.290.0090.00615.52
7.1.280.0000.01415.75
7.1.270.0000.00915.55
7.1.260.0040.01115.61
7.1.250.0060.00615.77
7.1.200.0030.01015.65
7.1.110.0170.00918.20
7.1.100.0070.01217.97
7.1.90.0060.00918.06
7.1.80.0200.01016.38
7.1.70.0240.00415.04
7.1.60.0420.01332.94
7.1.50.0270.01034.67
7.1.40.0170.01734.54
7.1.30.0160.02234.43
7.1.20.0210.01534.54
7.1.10.0300.00716.24
7.1.00.0000.01516.60
7.0.250.0080.00617.87
7.0.240.0100.00717.93
7.0.230.0070.01017.77
7.0.220.0060.00917.65
7.0.210.0290.00616.60
7.0.200.0090.00916.68
7.0.190.0220.00914.79
7.0.180.0040.01216.22
7.0.170.0060.01216.30
7.0.160.0070.01016.21
7.0.150.0050.01115.94
7.0.140.0060.00816.12
7.0.130.0080.01216.36
7.0.120.0070.00716.45
7.0.110.0050.01016.29
7.0.100.0110.00716.13
7.0.90.0030.01116.27
7.0.80.0050.00816.35
7.0.70.0000.01316.28
7.0.60.0060.01515.83
7.0.50.0270.00416.45
7.0.40.0110.00816.29
7.0.30.0250.00916.28
7.0.20.0050.01416.33
7.0.10.0220.01716.09
7.0.00.0200.01314.68

preferences:
60.16 ms | 400 KiB | 5 Q