3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'foob' => 'bar', 'baz' => null, ]; if (isset($array['baz'])) { echo "Wat."; }

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)
8.3.60.0090.00618.18
8.3.50.0040.01116.49
8.3.40.0140.00418.76
8.3.30.0110.00318.50
8.3.20.0080.00018.97
8.3.10.0000.00721.77
8.3.00.0000.00819.66
8.2.180.0090.00916.38
8.2.170.0070.00722.96
8.2.160.0110.00719.37
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0030.00619.22
8.2.110.0090.00021.05
8.2.100.0040.00817.84
8.2.90.0090.00019.13
8.2.80.0050.00317.97
8.2.70.0030.00517.48
8.2.60.0000.00717.80
8.2.50.0000.00718.10
8.2.40.0040.00420.55
8.2.30.0040.00419.29
8.2.20.0000.00818.10
8.2.10.0000.00817.97
8.2.00.0000.00717.91
8.1.280.0110.01125.92
8.1.270.0030.00623.82
8.1.260.0070.00026.35
8.1.250.0120.00628.09
8.1.240.0040.00421.27
8.1.230.0110.00018.95
8.1.220.0070.00317.74
8.1.210.0070.00318.77
8.1.200.0060.00317.23
8.1.190.0040.00417.22
8.1.180.0030.00618.10
8.1.170.0080.00018.53
8.1.160.0040.00418.86
8.1.150.0040.00420.06
8.1.140.0020.00519.50
8.1.130.0030.00318.87
8.1.120.0040.00417.38
8.1.110.0060.00317.23
8.1.100.0030.00617.24
8.1.90.0000.00917.30
8.1.80.0040.00417.29
8.1.70.0030.00317.32
8.1.60.0000.00817.50
8.1.50.0000.00717.44
8.1.40.0040.00417.49
8.1.30.0040.00717.50
8.1.20.0040.00417.57
8.1.10.0040.00417.52
8.1.00.0040.00417.40
8.0.300.0050.00318.77
8.0.290.0070.00016.63
8.0.280.0070.00018.37
8.0.270.0080.00017.23
8.0.260.0000.00619.01
8.0.250.0030.00316.78
8.0.240.0060.00316.80
8.0.230.0000.00816.94
8.0.220.0030.00316.85
8.0.210.0030.00316.85
8.0.200.0060.00016.85
8.0.190.0040.00416.86
8.0.180.0000.00716.73
8.0.170.0070.00016.73
8.0.160.0000.00916.77
8.0.150.0000.00716.80
8.0.140.0040.00416.80
8.0.130.0040.00413.29
8.0.120.0030.00516.72
8.0.110.0000.00716.65
8.0.100.0000.00716.81
8.0.90.0000.00716.67
8.0.80.0000.01416.71
8.0.70.0040.00416.71
8.0.60.0040.00416.68
8.0.50.0000.00716.77
8.0.30.0100.00917.03
8.0.20.0120.00817.40
8.0.10.0000.00816.83
8.0.00.0070.01016.77
7.4.330.0020.00215.55
7.4.320.0000.00716.45
7.4.300.0000.00616.44
7.4.290.0000.00716.59
7.4.280.0000.00816.39
7.4.270.0030.00316.51
7.4.260.0040.00416.50
7.4.250.0050.00216.50
7.4.240.0030.00316.45
7.4.230.0000.00716.46
7.4.220.0100.00716.62
7.4.210.0140.00016.57
7.4.200.0000.00716.42
7.4.160.0080.00816.42
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0090.01616.44
7.4.120.0100.01016.50
7.4.110.0080.00816.50
7.4.100.0070.01116.45
7.4.90.0120.00616.35
7.4.80.0090.00919.39
7.4.70.0070.01016.41
7.4.60.0110.00416.28
7.4.50.0030.01316.39
7.4.40.0030.01316.50
7.4.30.0080.00816.15
7.4.00.0080.00814.78
7.3.330.0000.00512.96
7.3.320.0000.00613.03
7.3.310.0060.00016.13
7.3.300.0070.00016.05
7.3.290.0070.00916.20
7.3.280.0120.00616.20
7.3.270.0100.00717.40
7.3.260.0120.00616.22
7.3.250.0110.00816.16
7.3.240.0050.01216.44
7.3.230.0130.01016.02
7.3.210.0190.00616.39
7.3.200.0090.01316.41
7.3.190.0050.01016.12
7.3.180.0060.00916.18
7.3.170.0120.00916.14
7.3.160.0150.00016.31
7.3.10.0080.00316.72
7.3.00.0060.00616.54
7.2.330.0070.01316.40
7.2.320.0090.00616.28
7.2.310.0070.01016.62
7.2.300.0150.00616.61
7.2.290.0110.00716.33
7.2.130.0060.00616.77
7.2.120.0070.01116.89
7.2.110.0120.00016.83
7.2.100.0120.00316.71
7.2.90.0000.01416.69
7.2.80.0070.01016.81
7.2.70.0080.00316.52
7.2.60.0030.01316.77
7.2.50.0060.00816.84
7.2.40.0060.00316.82
7.2.30.0070.01016.87
7.2.20.0070.00716.95
7.2.10.0120.00016.89
7.2.00.0030.01017.94
7.1.250.0030.00715.59
7.1.200.0000.01315.34
7.1.100.0000.01117.75
7.1.70.0000.01017.06
7.1.60.0040.00817.14
7.1.50.0570.00732.70
7.1.40.0630.01032.29
7.1.30.0600.02032.39
7.1.20.0570.01332.47
7.1.10.0300.00714.58
7.1.00.0430.01714.80
7.0.200.0000.01416.71
7.0.190.0400.01014.73
7.0.180.0400.01314.21
7.0.170.0570.01014.30
7.0.160.0400.01014.11
7.0.150.0330.01314.19
7.0.140.0430.00714.18
7.0.130.0230.01714.37
7.0.120.0330.01014.43
7.0.110.0330.02014.22
7.0.100.0370.01014.38
7.0.90.0400.00314.23
7.0.80.0330.00714.22
7.0.70.0300.01314.20
7.0.60.0230.01013.95
7.0.50.0400.00714.43
7.0.40.0470.01314.32
7.0.30.0270.01014.47
7.0.20.0300.01014.39
7.0.10.0400.01014.31
7.0.00.0300.00714.54

preferences:
58.98 ms | 400 KiB | 5 Q