3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr = ['test'=> '1' , '1.1' => 'test2']; foreach ($arr as $key => $value) { if (array_key_exists($key, $arr)) { echo 'found ' . $key. 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)
8.5.30.0090.01017.35
8.5.20.0110.01019.53
8.5.10.0130.00716.72
8.5.00.0120.01020.08
8.4.180.0120.01021.78
8.4.170.0070.00320.63
8.4.160.0120.01023.63
8.4.150.0060.00616.82
8.4.140.0150.00617.68
8.4.130.0070.00318.70
8.4.120.0050.00524.14
8.4.110.0060.00418.61
8.4.100.0120.01018.50
8.4.90.0070.01220.40
8.4.80.0090.01118.58
8.4.70.0130.00718.72
8.4.60.0150.00618.92
8.4.50.0090.01118.59
8.4.40.0080.00017.52
8.4.30.0060.00320.55
8.4.20.0120.00319.51
8.4.10.0090.00019.76
8.3.300.0120.00920.82
8.3.290.0130.00820.83
8.3.280.0130.00718.39
8.3.270.0160.01016.66
8.3.260.0130.00616.34
8.3.250.0110.00619.21
8.3.240.0120.00817.27
8.3.230.0050.00416.79
8.3.220.0040.00419.00
8.3.210.0040.00518.38
8.3.200.0110.01016.62
8.3.190.0060.01117.04
8.3.180.0120.00618.83
8.3.170.0080.01116.64
8.3.160.0100.00717.13
8.3.150.0100.01016.54
8.3.140.0040.00418.85
8.3.130.0090.00618.46
8.3.120.0060.00318.70
8.3.110.0040.00420.94
8.3.100.0030.00624.06
8.3.90.0060.01226.77
8.3.80.0090.00316.63
8.3.70.0040.01116.58
8.3.60.0080.00816.38
8.3.50.0100.00718.09
8.3.40.0070.01420.52
8.3.30.0030.01018.70
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0080.00026.16
8.2.300.0050.00523.88
8.2.290.0090.01020.65
8.2.280.0070.00418.42
8.2.270.0110.00717.26
8.2.260.0070.01118.42
8.2.250.0060.00316.54
8.2.240.0040.00418.96
8.2.230.0050.00322.58
8.2.220.0040.00437.54
8.2.210.0050.00526.77
8.2.200.0050.00516.50
8.2.190.0150.00616.58
8.2.180.0070.00725.92
8.2.170.0160.00318.93
8.2.160.0150.00022.96
8.2.150.0050.00225.66
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0070.00726.16
8.2.110.0030.00719.37
8.2.100.0130.00017.91
8.2.90.0050.00317.75
8.2.80.0030.00618.77
8.2.70.0040.00417.63
8.2.60.0040.00418.03
8.2.50.0030.00518.07
8.2.40.0000.00820.07
8.2.30.0080.00018.12
8.2.20.0070.00018.02
8.2.10.0000.00819.38
8.2.00.0070.00019.28
8.1.340.0130.00817.74
8.1.330.0160.00221.60
8.1.320.0090.01017.97
8.1.310.0090.00916.19
8.1.300.0120.00018.18
8.1.290.0090.00030.84
8.1.280.0110.00325.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00817.36
8.1.230.0040.00719.06
8.1.220.0040.00417.77
8.1.210.0000.00818.77
8.1.200.0000.01117.35
8.1.190.0000.00717.10
8.1.180.0000.00919.31
8.1.170.0000.00818.49
8.1.160.0020.00518.79
8.1.150.0060.00318.69
8.1.140.0040.00418.95
8.1.130.0000.00818.91
8.1.120.0000.00817.34
8.1.110.0000.00817.34
8.1.100.0040.00417.36
8.1.90.0000.00817.34
8.1.80.0030.00617.36
8.1.70.0030.00317.41
8.1.60.0030.00617.54
8.1.50.0050.00317.49
8.1.40.0040.00417.54
8.1.30.0060.00317.64
8.1.20.0040.00417.68
8.1.10.0000.00717.57
8.1.00.0060.00317.45
8.0.300.0030.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.45
8.0.270.0000.00718.04
8.0.260.0030.00318.46
8.0.250.0040.00416.96
8.0.240.0040.00416.95
8.0.230.0040.00416.83
8.0.220.0070.00016.87
8.0.210.0040.00416.88
8.0.200.0000.00616.83
8.0.190.0000.00716.96
8.0.180.0000.00716.93
8.0.170.0030.00616.94
8.0.160.0000.00816.93
8.0.150.0040.00416.75
8.0.140.0000.00716.83
8.0.130.0000.00613.33
8.0.120.0090.00016.94
8.0.110.0040.00416.92
8.0.100.0030.00516.83
8.0.90.0050.00316.68
8.0.80.0040.00416.72
8.0.70.0080.00016.74
8.0.60.0040.00416.86
8.0.50.0050.00316.72
8.0.30.0070.00016.77
8.0.20.0000.00816.94
8.0.10.0000.00816.87
8.0.00.0030.00517.08
7.4.330.0050.00015.55
7.4.320.0030.00316.45
7.4.300.0070.00016.56
7.4.290.0080.00016.54
7.4.280.0080.00216.47
7.4.270.0000.00816.51
7.4.260.0000.00513.18
7.4.250.0040.00416.45
7.4.240.0030.00316.51
7.4.230.0000.00716.62
7.4.220.0030.00316.38
7.4.210.0070.00316.57
7.4.200.0040.00416.66
7.4.190.0090.00016.50
7.4.180.0060.00316.39
7.4.160.0040.00416.34
7.4.150.0060.00316.62
7.4.140.0090.00016.36
7.4.130.0050.00316.55
7.4.120.0030.00516.53
7.4.110.0040.00416.62
7.4.100.0040.00416.41
7.4.90.0050.00316.36
7.4.80.0040.00416.48
7.4.70.0030.00616.36
7.4.60.0040.00416.44
7.4.50.0000.00716.46
7.4.40.0030.00516.23
7.4.30.0070.00016.44
7.4.20.0030.00616.46
7.4.10.0000.00816.55
7.4.00.0030.00616.40
7.3.330.0080.00016.06
7.3.320.0050.00013.05
7.3.310.0040.00416.30
7.3.300.0070.00016.16
7.3.290.0000.00816.20
7.3.280.0060.00316.29
7.3.270.0000.00716.17
7.3.260.0050.00316.29
7.3.250.0070.00016.28
7.3.240.0050.00316.24
7.3.230.0020.00516.20
7.3.220.0070.00016.13
7.3.210.0070.00016.23
7.3.200.0080.00016.10
7.3.190.0040.00416.18
7.3.180.0060.00316.10
7.3.170.0020.00516.10
7.3.160.0000.00816.21
7.3.150.0030.00616.19
7.3.140.0000.00816.17
7.3.130.0000.00816.10
7.3.120.0030.00616.03
7.3.110.0050.00316.12
7.3.100.0040.00416.12
7.3.90.0000.00816.45
7.3.80.0080.00016.19
7.3.70.0000.00816.16
7.3.60.0090.00016.41
7.3.50.0040.00416.41
7.3.40.0050.00316.36
7.3.30.0050.00316.20
7.3.20.0080.00018.17
7.3.10.0030.00618.16
7.3.00.0030.00618.02

preferences:
55.27 ms | 1374 KiB | 5 Q