3v4l.org

run code in 300+ PHP versions simultaneously
<?php function square($i): int { return $i*$i; } $i = 2; while (true) { echo $i . PHP_EOL; $i = square($i); }

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)
8.3.60.0110.00416.50
8.3.50.0120.00316.25
8.3.40.0120.00318.61
8.3.30.0120.00318.79
8.3.20.0040.00420.21
8.3.10.0060.00323.71
8.3.00.0080.00019.68
8.2.180.0070.01416.50
8.2.170.0130.01022.96
8.2.160.0100.00319.04
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00419.31
8.2.120.0080.00026.35
8.2.110.0060.00322.01
8.2.100.0110.00017.78
8.2.90.0040.00419.17
8.2.80.0040.00418.05
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0030.00618.10
8.2.40.0000.00820.19
8.2.30.0030.00519.20
8.2.20.0040.00418.00
8.2.10.0000.00717.97
8.2.00.0000.00818.11
8.1.280.0140.00025.92
8.1.270.0070.00022.10
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.97
8.1.230.0070.00422.10
8.1.220.0030.00617.76
8.1.210.0090.00018.77
8.1.200.0030.00617.36
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0000.00818.59
8.1.160.0000.00818.93
8.1.150.0000.00820.60
8.1.140.0070.00019.52
8.1.130.0040.00418.81
8.1.120.0000.00717.34
8.1.110.0000.00717.40
8.1.100.0080.00017.40
8.1.90.0050.00317.41
8.1.80.0040.00417.44
8.1.70.0030.00317.28
8.1.60.0030.00617.48
8.1.50.0000.00817.52
8.1.40.0040.00417.50
8.1.30.0000.00817.69
8.1.20.0030.00617.48
8.1.10.0000.00817.47
8.1.00.0000.00817.37
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.36
8.0.270.0070.00017.21
8.0.260.0000.00816.74
8.0.250.0000.00716.89
8.0.240.0070.00316.95
8.0.230.0030.00317.02
8.0.220.0030.00616.86
8.0.210.0000.00716.98
8.0.200.0000.00816.89
8.0.190.0030.00616.99
8.0.180.0000.00716.91
8.0.170.0000.00716.99
8.0.160.0080.00016.79
8.0.150.0030.00616.82
8.0.140.0080.00016.77
8.0.130.0000.00613.40
8.0.120.0040.00416.97
8.0.110.0000.00717.01
8.0.100.0000.00816.94
8.0.90.0080.00017.01
8.0.80.0070.01016.94
8.0.70.0040.00416.78
8.0.60.0050.00316.89
8.0.50.0000.00717.05
8.0.30.0120.00517.09
8.0.20.0130.00717.40
8.0.10.0040.00416.98
8.0.00.0030.01416.68
7.4.330.0000.00515.55
7.4.320.0030.00316.54
7.4.300.0060.00016.44
7.4.290.0030.00516.43
7.4.280.0000.00916.59
7.4.270.0000.00716.51
7.4.260.0000.00716.41
7.4.250.0040.00416.46
7.4.240.0000.00816.61
7.4.230.0000.00616.50
7.4.220.0130.00316.53
7.4.210.0100.00616.51
7.4.200.0040.00416.69
7.4.160.0060.01116.54
7.4.150.0100.00717.40
7.4.140.0120.01017.86
7.4.130.0120.00916.44
7.4.120.0110.00716.56
7.4.110.0110.00716.60
7.4.100.0140.00716.41
7.4.90.0030.01516.41
7.4.80.0060.01219.39
7.4.70.0130.00316.41
7.4.60.0070.01116.46
7.4.50.0040.01216.67
7.4.40.0050.01116.52
7.4.30.0130.00416.57
7.4.00.0140.00014.84
7.3.330.0030.00313.22
7.3.320.0000.00513.22
7.3.310.0000.00716.39
7.3.300.0000.00616.26
7.3.290.0060.00916.37
7.3.280.0080.00916.37
7.3.270.0000.01817.40
7.3.260.0130.00916.32
7.3.250.0070.01216.41
7.3.240.0100.01216.31
7.3.230.0030.01416.58
7.3.210.0060.01016.50
7.3.200.0140.00316.57
7.3.190.0120.00416.46
7.3.180.0150.00416.58
7.3.170.0080.00916.43
7.3.160.0060.00916.58
7.3.120.0060.00914.64
7.3.110.0160.00014.64
7.3.100.0070.00714.92
7.3.90.0000.01214.94
7.3.80.0030.01014.93
7.3.70.0060.00914.91
7.3.60.0060.00914.65
7.3.50.0070.01014.89
7.3.40.0000.01114.80
7.3.30.0030.00614.77
7.3.20.0070.00416.51
7.3.10.0030.00716.79
7.3.00.0080.00816.58
7.2.330.0040.01816.74
7.2.320.0070.01016.59
7.2.310.0120.00416.79
7.2.300.0040.01216.34
7.2.290.0100.00616.77
7.2.240.0080.00815.28
7.2.230.0060.00914.98
7.2.220.0110.00415.25
7.2.210.0110.00414.96
7.2.200.0000.01215.08
7.2.190.0140.00014.84
7.2.180.0060.00314.95
7.2.170.0090.00315.18
7.2.160.0030.00915.10
7.2.150.0080.00316.75
7.2.140.0090.00917.15
7.2.130.0090.00916.93
7.2.120.0000.01516.68
7.2.110.0070.01117.06
7.2.100.0090.00316.73
7.2.90.0000.01117.09
7.2.80.0070.00716.93
7.2.70.0120.00316.89
7.2.60.0050.00916.95
7.2.50.0080.00816.87
7.2.40.0090.00617.04
7.2.30.0000.01216.72
7.2.20.0120.00316.96
7.2.10.0030.01316.69
7.2.00.0090.00617.03
7.1.330.0000.01715.74
7.1.320.0030.00715.71
7.1.310.0030.01115.67
7.1.300.0030.01015.86
7.1.290.0060.00615.78
7.1.280.0030.00715.64
7.1.270.0120.00015.54
7.1.260.0070.00715.95
7.1.250.0000.01415.70
7.1.200.0050.00215.55
7.1.70.0370.01315.33
7.1.60.0500.02033.37
7.1.50.0570.01632.85
7.1.40.0510.01932.55
7.1.30.0380.01632.70
7.1.20.0620.01732.74
7.1.10.0390.01314.63
7.1.00.0690.00914.75
7.0.200.0430.01014.98
7.0.190.0310.01414.61
7.0.180.0330.01214.36
7.0.170.0260.01314.20
7.0.160.0400.01514.47
7.0.150.0370.01414.34
7.0.140.1580.00614.42
7.0.130.0300.01214.82
7.0.120.0340.00614.79
7.0.110.0290.01314.66
7.0.100.0290.01814.48
7.0.90.0300.01314.57
7.0.80.0260.01214.65
7.0.70.0350.01014.52
7.0.60.0330.01914.22
7.0.50.0510.00714.51
7.0.40.0480.01014.64
7.0.30.0460.01314.89
7.0.20.0550.01614.43
7.0.10.0500.00914.44
7.0.00.0470.01014.70

preferences:
44.04 ms | 400 KiB | 5 Q