3v4l.org

run code in 300+ PHP versions simultaneously
<?php class_alias('Test', 'db'); class DB { public function __construct(){ echo 'hello'; } } $db = new DB;

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)
8.3.70.0070.01118.18
8.3.60.0070.01016.63
8.3.50.0110.00416.10
8.3.40.0150.00618.64
8.3.30.0060.00918.75
8.3.20.0090.00019.04
8.3.10.0090.00020.86
8.3.00.0040.00417.91
8.2.180.0170.00318.20
8.2.170.0150.00622.96
8.2.160.0070.01420.94
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00219.70
8.2.120.0140.00026.35
8.2.110.0070.00321.00
8.2.100.0070.00717.76
8.2.90.0040.00417.84
8.2.80.0050.00317.97
8.2.70.0040.00417.80
8.2.60.0040.00417.93
8.2.50.0050.00318.10
8.2.40.0040.00419.53
8.2.30.0040.00419.41
8.2.20.0050.00217.92
8.2.10.0040.00417.88
8.2.00.0070.00019.35
8.1.280.0040.01125.92
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.18
8.1.230.0040.00820.93
8.1.220.0080.00017.74
8.1.210.0040.00419.16
8.1.200.0060.00317.22
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0030.00618.62
8.1.160.0000.00718.79
8.1.150.0040.00418.81
8.1.140.0070.00017.52
8.1.130.0030.00319.01
8.1.120.0000.01017.40
8.1.110.0040.00417.41
8.1.100.0040.00317.34
8.1.90.0040.00417.43
8.1.80.0000.00717.28
8.1.70.0040.00417.40
8.1.60.0060.00317.54
8.1.50.0050.00317.54
8.1.40.0050.00317.42
8.1.30.0050.00317.66
8.1.20.0000.00917.50
8.1.10.0040.00417.55
8.1.00.0000.00817.52
8.0.300.0090.00019.73
8.0.290.0050.00316.75
8.0.280.0000.00718.45
8.0.270.0000.00717.32
8.0.260.0040.00419.01
8.0.250.0060.00316.96
8.0.240.0040.00416.88
8.0.230.0000.00816.84
8.0.220.0000.00716.79
8.0.210.0040.00416.80
8.0.200.0000.00616.94
8.0.190.0040.00416.87
8.0.180.0000.00716.96
8.0.170.0040.00416.92
8.0.160.0030.00316.92
8.0.150.0030.00616.76
8.0.140.0000.00716.81
8.0.130.0030.00313.32
8.0.120.0070.00016.75
8.0.110.0030.00616.84
8.0.100.0040.00416.90
8.0.90.0050.00216.77
8.0.80.0090.00716.90
8.0.70.0000.00716.82
8.0.60.0050.00216.70
8.0.50.0020.00516.96
8.0.30.0100.00817.07
8.0.20.0070.01217.40
8.0.10.0000.00717.02
8.0.00.0120.00816.64
7.4.330.0000.00415.55
7.4.320.0030.00516.46
7.4.300.0070.00016.63
7.4.290.0060.00016.54
7.4.280.0000.00816.58
7.4.270.0030.00616.66
7.4.260.0090.00016.40
7.4.250.0040.00416.57
7.4.240.0030.00516.56
7.4.230.0000.00716.36
7.4.220.0030.00316.35
7.4.210.0090.00816.58
7.4.200.0030.00316.70
7.4.160.0090.00716.51
7.4.140.0110.00917.86
7.4.130.0060.01116.66
7.4.120.0120.00916.43
7.4.110.0140.00316.76
7.4.100.0030.01916.45
7.4.90.0160.00316.44
7.4.80.0090.00919.39
7.4.70.0030.01416.58
7.4.60.0100.01316.64
7.4.50.0000.01816.38
7.4.40.0160.00616.75
7.4.00.0030.01214.66
7.3.330.0030.00313.27
7.3.320.0030.00313.26
7.3.310.0020.00516.38
7.3.300.0030.00316.31
7.3.290.0070.00016.32
7.3.280.0050.00916.25
7.3.260.0120.00816.52
7.3.240.0100.00616.47
7.3.230.0090.00616.38
7.3.210.0170.02016.29
7.3.200.0070.01116.57
7.3.190.0060.01016.43
7.3.180.0100.00716.27
7.3.170.0070.01016.25
7.3.160.0090.00616.28
7.3.10.0070.00716.71
7.3.00.0000.00716.68
7.2.330.0030.02016.45
7.2.320.0140.00416.34
7.2.310.0120.00616.80
7.2.300.0090.00916.69
7.2.290.0140.00316.66
7.2.130.0040.00816.85
7.2.120.0060.00316.84
7.2.110.0000.01316.68
7.2.100.0040.01216.46
7.2.90.0060.00616.96
7.2.80.0060.00317.00
7.2.70.0000.01416.70
7.2.60.0900.00815.92
7.2.50.0850.00715.72
7.2.40.1060.00716.09
7.2.30.1340.01016.04
7.2.20.1400.00716.18
7.2.10.1320.00716.15
7.2.00.1160.00916.02
7.1.250.0030.00615.43
7.1.200.0090.00315.73
7.1.170.1960.00913.70
7.1.160.1790.01016.56
7.1.150.1990.00916.80
7.1.140.2810.01116.67
7.1.130.2430.01016.65
7.1.120.2180.01216.86
7.1.110.2260.00616.15
7.1.100.2590.01016.19
7.1.90.2460.01316.05
7.1.80.2950.01216.29
7.1.70.2740.01315.16
7.1.60.2790.01433.28
7.1.50.3020.01832.76
7.1.40.3370.02132.66
7.1.30.3440.01732.46
7.1.20.3090.01232.66
7.1.10.2600.00814.70
7.1.00.2930.01214.79

preferences:
50.61 ms | 400 KiB | 5 Q