3v4l.org

run code in 300+ PHP versions simultaneously
<?php $j = count(get_defined_vars()); $a=8; $b=['b','mm']; $a='pppppppppppppppp'; $k = get_defined_vars(); $vars=array_slice($k, $j + 1); $class = 'class Settings {\n'; foreach($vars as $key => $var) { if(is_array($var)) { $var = serialize($var); } $settings[strtoupper($key)] = $var; $class .= 'const '.strtoupper($key).'='.$var.'\n'; unset($$key); } echo $a; var_dump($settings); echo($class . '}\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)
8.3.60.0120.00418.43
8.3.50.0140.00521.20
8.3.40.0060.00918.61
8.3.30.0030.01020.17
8.3.20.0070.00020.20
8.3.10.0080.00021.13
8.3.00.0000.00822.34
8.2.180.0120.00318.66
8.2.170.0040.01122.96
8.2.160.0030.01021.93
8.2.150.0060.00324.18
8.2.140.0000.00924.66
8.2.130.0040.00426.16
8.2.120.0030.00520.75
8.2.110.0060.00321.05
8.2.100.0060.00617.91
8.2.90.0080.00019.30
8.2.80.0040.00419.42
8.2.70.0030.00717.50
8.2.60.0050.00318.05
8.2.50.0030.00518.07
8.2.40.0000.00818.03
8.2.30.0030.00617.90
8.2.20.0080.00017.77
8.2.10.0040.00417.79
8.2.00.0000.00717.77
8.1.280.0150.00625.92
8.1.270.0000.00823.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00321.36
8.1.230.0000.01120.97
8.1.220.0000.00917.74
8.1.210.0030.00518.91
8.1.200.0000.00817.35
8.1.190.0040.00417.65
8.1.180.0030.00718.10
8.1.170.0000.00818.75
8.1.160.0040.00418.93
8.1.150.0000.00818.67
8.1.140.0070.00017.45
8.1.130.0030.00317.83
8.1.120.0000.00817.48
8.1.110.0060.00317.48
8.1.100.0000.00717.36
8.1.90.0040.00417.50
8.1.80.0050.00317.37
8.1.70.0070.00017.43
8.1.60.0040.00417.48
8.1.50.0000.00717.45
8.1.40.0040.00417.41
8.1.30.0070.00417.66
8.1.20.0030.00517.64
8.1.10.0040.00417.61
8.1.00.0000.00717.48
8.0.300.0070.00019.98
8.0.290.0040.00416.73
8.0.280.0080.00018.35
8.0.270.0000.00717.29
8.0.260.0000.00618.48
8.0.250.0060.00016.91
8.0.240.0040.00416.98
8.0.230.0030.00316.97
8.0.220.0070.00016.86
8.0.210.0040.00416.91
8.0.200.0000.00616.97
8.0.190.0000.00716.91
8.0.180.0000.00716.96
8.0.170.0000.00716.87
8.0.160.0030.00316.92
8.0.150.0040.00416.78
8.0.140.0000.00716.93
8.0.130.0000.00613.34
8.0.120.0030.00516.93
8.0.110.0030.00516.88
8.0.100.0040.00416.98
8.0.90.0030.00316.84
8.0.80.0090.00616.94
8.0.70.0050.00216.94
8.0.60.0030.00616.91
8.0.50.0070.00016.83
8.0.30.0040.01417.14
8.0.20.0100.00817.40
8.0.10.0000.00817.02
8.0.00.0130.00416.82
7.4.330.0060.00016.78
7.4.320.0000.00716.61
7.4.300.0000.00616.55
7.4.290.0070.00016.62
7.4.280.0000.00716.50
7.4.270.0070.00016.60
7.4.260.0030.00313.26
7.4.250.0000.00716.45
7.4.240.0020.00616.50
7.4.230.0070.00016.43
7.4.220.0090.00916.49
7.4.210.0120.00316.57
7.4.200.0050.00216.50
7.4.190.0030.00316.75
7.4.160.0100.00716.87
7.4.150.0090.01217.40
7.4.140.0140.00317.86
7.4.130.0140.00616.56
7.4.120.0150.00416.43
7.4.110.0090.00916.64
7.4.100.0110.00716.66
7.4.90.0160.00316.49
7.4.80.0000.01819.39
7.4.70.0030.01416.58
7.4.60.0060.01016.46
7.4.50.0030.00616.69
7.4.40.0090.00622.77
7.4.30.0100.00616.56
7.4.00.0140.00415.00
7.3.330.0030.00213.17
7.3.320.0050.00013.10
7.3.310.0030.00316.35
7.3.300.0070.00016.28
7.3.290.0130.00016.33
7.3.280.0100.00716.40
7.3.270.0030.01317.40
7.3.260.0130.01018.24
7.3.250.0060.01116.49
7.3.240.0030.01316.61
7.3.230.0090.00916.58
7.3.210.0110.00716.39
7.3.200.0130.00419.39
7.3.190.0100.01016.36
7.3.180.0080.00916.32
7.3.170.0110.01116.50
7.3.160.0030.01316.40
7.3.120.0000.01414.94
7.2.330.0070.01016.45
7.2.320.0160.00516.72
7.2.310.0070.01116.46
7.2.300.0130.00716.58
7.2.290.0140.00416.71
7.2.00.0070.00719.10
7.1.100.0040.01118.32
7.1.70.0040.00716.89
7.1.60.0040.01117.41
7.1.50.0040.00817.02
7.1.00.0070.04722.35
7.0.200.0000.01516.96
7.0.140.0100.06322.10
7.0.70.0100.07321.62
7.0.60.0000.08321.59
7.0.50.0070.05322.16
7.0.40.0030.09020.03
7.0.30.0030.04020.16
7.0.20.0100.05020.03
7.0.10.0000.04720.04
7.0.00.0030.06020.07
5.6.280.0000.07721.04
5.6.220.0000.08320.68
5.6.210.0030.07720.55
5.6.200.0070.06320.95
5.6.190.0030.09021.02
5.6.180.0000.08021.02
5.6.170.0030.06320.95
5.6.160.0130.06021.11
5.6.150.0070.04721.16
5.6.140.0070.05320.98
5.6.130.0070.04720.94
5.6.120.0000.09321.04
5.6.110.0030.09320.98
5.6.100.0070.05720.94
5.6.90.0070.06720.98
5.6.80.0030.07020.40
5.6.70.0130.04720.44
5.6.60.0030.04320.46
5.6.50.0070.06720.55
5.6.40.0000.07720.30
5.6.30.0070.08020.30
5.6.20.0070.07720.43
5.6.10.0030.09020.45
5.6.00.0030.08020.42
5.5.360.0070.06320.48
5.5.350.0030.08020.35
5.5.340.0030.08720.77
5.5.330.0070.08020.79
5.5.320.0030.04020.82
5.5.310.0030.04020.86
5.5.300.0000.04320.93
5.5.290.0100.04020.83
5.5.280.0100.07720.82
5.5.270.0030.05320.80
5.5.260.0100.08320.74
5.5.250.0000.05720.66
5.5.240.0000.05720.02
5.5.230.0000.04020.23
5.5.220.0000.04720.25
5.5.210.0000.08020.13
5.5.200.0130.05320.23
5.5.190.0030.04020.11
5.5.180.0030.08020.17
5.5.160.0070.06720.24
5.5.150.0030.04720.14
5.5.140.0000.04020.20
5.5.130.0000.04020.11
5.5.120.0000.08720.25
5.5.110.0070.07320.23
5.5.100.0000.08720.06
5.5.90.0070.07320.11
5.5.80.0000.06020.06
5.5.70.0000.08320.15
5.5.60.0030.07720.04
5.5.50.0070.06020.14
5.5.40.0130.04720.04
5.5.30.0130.06720.13
5.5.20.0100.06720.02
5.5.10.0070.08719.95
5.5.00.0070.06720.09
5.4.450.0070.07719.53
5.4.440.0070.07719.28
5.4.430.0000.07719.27
5.4.420.0000.05019.10
5.4.410.0070.07019.00
5.4.400.0000.05319.04
5.4.390.0000.04018.93
5.4.380.0070.06019.14
5.4.370.0000.07718.79
5.4.360.0100.04718.93
5.4.350.0030.06319.06
5.4.340.0030.07019.17
5.4.320.0000.05319.06
5.4.310.0000.07719.05
5.4.300.0070.03319.17
5.4.290.0030.03719.09
5.4.280.0000.05718.77
5.4.270.0130.06319.11
5.4.260.0030.06318.80
5.4.250.0070.06718.77
5.4.240.0130.05719.19
5.4.230.0070.05018.80
5.4.220.0030.05719.02
5.4.210.0030.05019.02
5.4.200.0070.06019.09
5.4.190.0070.05018.87
5.4.180.0130.04719.05
5.4.170.0000.06719.09
5.4.160.0100.07019.12
5.4.150.0030.08018.99
5.4.140.0030.07016.22
5.4.130.0070.06716.27
5.4.120.0070.07016.27
5.4.110.0030.05716.38
5.4.100.0030.07316.20
5.4.90.0000.07716.38
5.4.80.0070.07016.34
5.4.70.0030.06016.30
5.4.60.0000.07716.24
5.4.50.0070.07316.28
5.4.40.0100.06016.41
5.4.30.0100.07016.15
5.4.20.0000.07316.17
5.4.10.0030.08016.32
5.4.00.0070.07015.67
5.3.290.0070.07014.53
5.3.280.0030.06014.43
5.3.270.0000.08014.54
5.3.260.0000.05314.62
5.3.250.0030.07014.63
5.3.240.0030.08014.52
5.3.230.0000.06714.44
5.3.220.0030.07314.53
5.3.210.0070.07314.48
5.3.200.0030.07314.39
5.3.190.0100.06014.53
5.3.180.0030.05014.53
5.3.170.0070.07014.53
5.3.160.0130.06714.52
5.3.150.0070.07014.42
5.3.140.0000.06014.54
5.3.130.0000.06314.54
5.3.120.0000.08014.48
5.3.110.0030.07014.46
5.3.100.0070.04313.86
5.3.90.0070.04014.01
5.3.80.0000.07313.99
5.3.70.0030.07314.00
5.3.60.0100.07013.98
5.3.50.0030.06313.80
5.3.40.0000.07313.86
5.3.30.0000.07713.68
5.3.20.0000.07713.57
5.3.10.0070.07013.57
5.3.00.0000.07713.39
5.2.170.0100.06011.18
5.2.160.0030.06011.13
5.2.150.0000.05010.97
5.2.140.0030.04711.15
5.2.130.0030.06010.96
5.2.120.0030.05011.11
5.2.110.0000.05711.08
5.2.100.0030.06011.05
5.2.90.0000.06011.09
5.2.80.0070.05010.95
5.2.70.0000.06311.16
5.2.60.0000.04710.88
5.2.50.0070.06010.85
5.2.40.0070.05310.83
5.2.30.0030.05310.97
5.2.20.0000.04710.79
5.2.10.0070.05310.72
5.2.00.0070.05710.71
5.1.60.0000.05310.46
5.1.50.0000.04710.46
5.1.40.0030.05010.46
5.1.30.0130.04710.46
5.1.20.0000.05310.46
5.1.10.0000.05710.46
5.1.00.0030.03710.46
5.0.50.0070.04010.46
5.0.40.0000.04710.46
5.0.30.0000.06310.46
5.0.20.0000.04310.46
5.0.10.0000.04710.46
5.0.00.0000.06310.46
4.4.90.0000.03710.46
4.4.80.0000.02310.46
4.4.70.0000.03010.46
4.4.60.0030.03010.46
4.4.50.0000.03710.46
4.4.40.0000.04710.46
4.4.30.0000.03010.46
4.4.20.0030.02710.46
4.4.10.0000.02710.46
4.4.00.0030.04710.46
4.3.110.0070.03010.46
4.3.100.0000.03310.46
4.3.90.0000.03710.46
4.3.80.0000.05310.46
4.3.70.0000.03010.46
4.3.60.0070.02710.46
4.3.50.0000.03010.46
4.3.40.0000.04710.46
4.3.30.0000.03710.46
4.3.20.0070.02010.46
4.3.10.0000.02710.46
4.3.00.0000.03310.46

preferences:
49.16 ms | 401 KiB | 5 Q