3v4l.org

run code in 300+ PHP versions simultaneously
<?php (function () { ${42} = 42; ${true} = true; $original = get_defined_vars(); $combined = array_combine(array_keys($original), array_values($original)); echo 'original: '; var_dump($original); echo 'combined: '; var_dump($combined); echo "\n"; echo 'original keys: '; var_dump(array_keys($original)); echo 'combined keys: '; var_dump(array_keys($combined)); echo "\n"; echo 'key-intersection: '; var_dump(array_intersect_key($original, $combined)); echo "\n"; foreach ($original as $varname => $_) { echo 'varname: '; var_dump($varname); echo 'in_array(keys)?: '; var_dump(in_array($varname, array_keys($original), true)); echo 'array_key_exists?: '; var_dump(array_key_exists($varname, $original)); echo 'isset[]?: '; var_dump(isset($original[$varname])); echo 'access: '; var_dump($original[$varname]); echo "\n"; } })();

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)
8.4.130.0150.00717.97
8.4.120.0070.00420.61
8.4.110.0070.00218.82
8.4.100.0130.00718.05
8.4.90.0090.01220.54
8.4.80.0020.00619.16
8.4.70.0090.00920.56
8.4.60.0130.00818.95
8.4.50.0130.00918.63
8.4.40.0100.01019.52
8.4.30.0140.01020.29
8.4.20.0130.00718.89
8.4.10.0180.00417.88
8.3.250.0130.00619.20
8.3.240.0080.01116.68
8.3.230.0130.00616.55
8.3.220.0100.00618.81
8.3.210.0080.01018.60
8.3.200.0030.00616.63
8.3.190.0040.00516.82
8.3.180.0050.00416.63
8.3.170.0060.01218.87
8.3.160.0140.00419.16
8.3.150.0120.00316.68
8.3.140.0050.00316.91
8.3.130.0070.00316.59
8.3.120.0050.00518.87
8.3.110.0080.00020.94
8.3.100.0030.01316.61
8.3.90.0070.01126.77
8.3.80.0030.00719.36
8.3.70.0090.00916.63
8.3.60.0110.00418.55
8.3.50.0000.01518.41
8.3.40.0070.01418.88
8.3.30.0120.00318.88
8.3.20.0090.00024.18
8.3.10.0030.00524.66
8.3.00.0090.00026.16
8.2.290.0130.00718.75
8.2.280.0120.00818.27
8.2.270.0100.01018.72
8.2.260.0060.01018.30
8.2.250.0050.00316.72
8.2.240.0090.00618.98
8.2.230.0120.00322.58
8.2.220.0080.00024.06
8.2.210.0030.01226.77
8.2.200.0040.00818.88
8.2.190.0070.01118.29
8.2.180.0040.01125.92
8.2.170.0110.00318.91
8.2.160.0140.00322.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00420.78
8.2.110.0130.01020.59
8.2.100.0040.00817.91
8.2.90.0040.00419.21
8.2.80.0020.00519.23
8.2.70.0030.00617.75
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0030.00618.34
8.2.30.0000.00818.02
8.2.20.0040.00418.05
8.2.10.0070.00019.31
8.2.00.0050.00219.38
8.1.330.0100.01016.22
8.1.320.0130.00616.50
8.1.310.0120.00618.19
8.1.300.0060.00318.70
8.1.290.0090.00030.84
8.1.280.0170.00325.92
8.1.270.0050.00323.99
8.1.260.0200.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00022.61
8.1.230.0000.01021.10
8.1.220.0040.00418.77
8.1.210.0090.00018.87
8.1.200.0030.00717.35
8.1.190.0000.00717.52
8.1.180.0000.00818.10
8.1.170.0030.00618.62
8.1.160.0000.00718.79
8.1.150.0040.00418.96
8.1.140.0040.00418.84
8.1.130.0080.00317.40
8.1.120.0000.00717.49
8.1.110.0060.00317.50
8.1.100.0040.00417.50
8.1.90.0040.00417.48
8.1.80.0050.00517.36
8.1.70.0000.00817.36
8.1.60.0050.00317.63
8.1.50.0030.00517.46
8.1.40.0050.00317.57
8.1.30.0070.00417.64
8.1.20.0030.00717.75
8.1.10.0000.00817.61
8.1.00.0050.00317.50
8.0.300.0000.00819.98
8.0.290.0040.00417.18
8.0.280.0040.00418.51
8.0.270.0030.00318.00
8.0.260.0030.00320.21
8.0.250.0000.00717.03
8.0.240.0080.00017.05
8.0.230.0080.00016.97
8.0.220.0030.00616.97
8.0.210.0000.00716.93
8.0.200.0060.00317.05
8.0.190.0050.00316.97
8.0.180.0000.00717.01
8.0.170.0000.00816.94
8.0.160.0030.00316.97
8.0.150.0030.00517.01
8.0.140.0000.00716.91
8.0.130.0050.00013.41
8.0.120.0000.00816.83
8.0.110.0050.00216.87
8.0.100.0000.00716.85
8.0.90.0000.00716.83
8.0.80.0050.01016.90
8.0.70.0040.00416.83
8.0.60.0040.00416.98
8.0.50.0050.00216.79
8.0.30.0090.01216.99
8.0.20.0110.01117.01
8.0.10.0120.00917.10
8.0.00.0070.01417.16
7.4.330.0000.00415.55
7.4.320.0030.00316.57
7.4.300.0000.00716.51
7.4.290.0030.00316.54
7.4.280.0000.00716.51
7.4.270.0000.00716.43
7.4.260.0060.00013.30
7.4.250.0000.00716.59
7.4.240.0040.00416.49
7.4.230.0030.00316.65
7.4.220.0000.00816.42
7.4.210.0120.00616.55
7.4.200.0070.00016.46
7.4.160.0130.01016.52
7.4.150.0070.01116.66
7.4.140.0120.00916.57
7.4.130.0120.00916.55
7.4.120.0130.00616.50
7.4.110.0140.00716.39
7.4.100.0130.01216.53
7.4.90.0110.00616.42
7.4.80.0060.01216.56
7.4.70.0110.01416.37
7.4.60.0120.00416.51
7.4.50.0160.00016.42
7.4.40.0110.00816.40
7.4.30.0090.00616.42
7.4.20.0030.01316.55
7.4.10.0090.00616.45
7.4.00.0090.01316.55
7.3.330.0040.00416.40
7.3.320.0030.00313.32
7.3.310.0020.00616.35
7.3.300.0030.00316.29
7.3.290.0130.00816.35
7.3.280.0140.00316.34
7.3.270.0110.00616.34
7.3.260.0120.01216.38
7.3.250.0090.01516.31
7.3.240.0120.01216.38
7.3.230.0090.01016.38
7.3.220.0070.01116.38
7.3.210.0170.00316.37
7.3.200.0060.01616.37
7.3.190.0120.00916.29
7.3.180.0160.00016.39
7.3.170.0100.00616.39
7.3.160.0120.00316.45
7.3.150.0070.01416.42
7.3.140.0030.01716.34
7.3.130.0120.00916.36
7.3.120.0060.00916.37
7.3.110.0160.00616.30
7.3.100.0070.00816.28
7.3.90.0160.00616.57
7.3.80.0030.01216.23
7.3.70.0180.00416.42
7.3.60.0090.01116.45
7.3.50.0080.00816.43
7.3.40.0130.00316.49
7.3.30.0060.01216.50
7.3.20.0070.01016.47
7.3.10.0030.01616.43
7.3.00.0040.01516.44
7.1.330.0090.00615.62

preferences:
32.63 ms | 403 KiB | 5 Q