3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ '7.2' => 1, '72' => 2]; foreach( $array as $k => $v) { print substr($k,0,1).PHP_EOL; }

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)
8.3.60.0150.00316.38
8.3.50.0160.00316.39
8.3.40.0140.00718.67
8.3.30.0100.00618.43
8.3.20.0080.00018.96
8.3.10.0060.00320.91
8.3.00.0000.00719.56
8.2.180.0120.00618.29
8.2.170.0060.00922.96
8.2.160.0140.00018.86
8.2.150.0050.00224.18
8.2.140.0080.00024.66
8.2.130.0040.00419.64
8.2.120.0000.00726.35
8.2.110.0100.00622.12
8.2.100.0090.00317.91
8.2.90.0040.00417.75
8.2.80.0080.00018.82
8.2.70.0000.00817.80
8.2.60.0040.00418.05
8.2.50.0040.00418.10
8.2.40.0040.00421.21
8.2.30.0000.00719.35
8.2.20.0040.00418.03
8.2.10.0080.00018.16
8.2.00.0000.00719.48
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0060.00319.54
8.1.230.0120.00020.91
8.1.220.0030.00518.52
8.1.210.0080.00018.77
8.1.200.0090.00017.22
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0050.00318.92
8.1.150.0040.00418.93
8.1.140.0040.00417.68
8.1.130.0040.00418.99
8.1.120.0040.00417.39
8.1.110.0000.01017.37
8.1.100.0040.00417.41
8.1.90.0000.00817.48
8.1.80.0030.00617.45
8.1.70.0000.00817.40
8.1.60.0000.00917.55
8.1.50.0040.00417.50
8.1.40.0040.00417.41
8.1.30.0080.00017.59
8.1.20.0040.00417.65
8.1.10.0040.00417.57
8.1.00.0060.00317.46
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0030.00318.39
8.0.270.0070.00017.16
8.0.260.0070.00018.96
8.0.250.0030.00316.93
8.0.240.0040.00416.93
8.0.230.0040.00416.90
8.0.220.0000.00816.75
8.0.210.0060.00016.93
8.0.200.0050.00316.98
8.0.190.0040.00416.86
8.0.180.0040.00416.89
8.0.170.0050.00316.93
8.0.160.0000.00716.91
8.0.150.0070.00016.84
8.0.140.0070.00016.83
8.0.130.0060.00013.30
8.0.120.0000.00716.76
8.0.110.0040.00416.75
8.0.100.0070.00016.90
8.0.90.0000.00716.78
8.0.80.0030.01916.80
8.0.70.0040.00416.84
8.0.60.0070.00016.90
8.0.50.0080.00016.77
8.0.30.0060.01117.20
8.0.20.0070.01217.40
8.0.10.0040.00416.86
8.0.00.0110.01016.93
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0000.00616.48
7.4.290.0070.00016.47
7.4.280.0070.00016.50
7.4.270.0000.00716.60
7.4.260.0000.00716.51
7.4.250.0000.00816.58
7.4.240.0050.00316.51
7.4.230.0070.00016.47
7.4.220.0050.00216.40
7.4.210.0110.00516.52
7.4.200.0070.00016.34
7.4.160.0110.00716.47
7.4.140.0070.01017.86
7.4.130.0060.01016.42
7.4.120.0090.00916.49
7.4.110.0030.01316.61
7.4.100.0040.01316.39
7.4.90.0090.01216.45
7.4.80.0090.01219.39
7.4.70.0100.00616.54
7.4.60.0110.00716.46
7.4.50.0070.01116.21
7.4.40.0160.00316.32
7.4.00.0060.00814.90
7.3.330.0000.00513.09
7.3.320.0030.00313.15
7.3.310.0070.00016.09
7.3.300.0070.00016.16
7.3.290.0030.00316.20
7.3.280.0170.00116.29
7.3.260.0150.00216.23
7.3.240.0080.00916.33
7.3.230.0030.01416.29
7.3.210.0160.00316.27
7.3.200.0050.01116.19
7.3.190.0040.01216.26
7.3.180.0080.00916.50
7.3.170.0100.00616.54
7.3.160.0150.00616.55
7.3.120.0090.00914.75
7.3.110.0100.00714.95
7.3.100.0150.00314.85
7.3.90.0070.01114.79
7.3.80.0000.01115.10
7.3.70.0030.00614.68
7.3.60.0080.00014.82
7.3.50.0040.00914.68
7.3.40.0040.01214.70
7.3.30.0000.00814.80
7.3.20.0060.00916.87
7.3.10.0080.00716.78
7.3.00.0050.00916.78
7.2.330.0100.01616.57
7.2.320.0100.00716.50
7.2.310.0100.01316.60
7.2.300.0150.00316.61
7.2.290.0140.00316.42
7.2.250.0030.01314.79
7.2.240.0130.00714.67
7.2.230.0070.01015.07
7.2.220.0040.00915.16
7.2.210.0030.01015.02
7.2.200.0070.00714.90
7.2.190.0120.00015.04
7.2.180.0070.00714.89
7.2.170.0110.00415.09
7.2.130.0060.00616.75
7.2.120.0030.00916.67
7.2.110.0030.00716.92
7.2.100.0140.00716.63
7.2.90.0060.00316.71
7.2.80.0000.01517.03
7.2.70.0060.00616.55
7.2.60.0910.00915.80
7.2.50.0690.00615.63
7.2.40.0910.00616.09
7.2.30.1010.01215.96
7.2.20.0950.01116.13
7.2.10.1140.01016.09
7.2.00.0930.01016.18
7.1.330.0060.00615.88
7.1.320.0060.00615.90
7.1.310.0070.00415.79
7.1.300.0050.00315.46
7.1.290.0060.00615.77
7.1.280.0030.01015.77
7.1.270.0090.00615.77
7.1.260.0080.00415.49
7.1.250.0140.00015.71
7.1.200.0030.01015.49
7.1.170.1400.00913.93
7.1.160.1700.01316.85
7.1.150.1730.01316.69
7.1.140.1830.01016.85
7.1.130.2170.00816.50
7.1.120.1870.01516.79
7.1.110.1890.01316.19
7.1.100.1860.01016.41
7.1.90.2000.01116.21
7.1.80.2000.00916.23
7.1.70.1800.00815.37
7.1.60.1920.01633.39
7.1.50.3400.01133.00
7.1.40.2780.01332.28
7.1.30.2470.01632.62
7.1.20.2340.01532.64
7.1.10.2200.01014.79
7.1.00.1970.01014.74

preferences:
57.7 ms | 400 KiB | 5 Q