3v4l.org

run code in 300+ PHP versions simultaneously
<?php $asd = ['asd' => ['jkf' => ['qwe' => 'wer', 'asd' => '123', 'kjk' => 'sdf', '456' => 'zxc']], 'dfg', 'test' => ['ert' => '234'], 'cvf']; function recurse($array,$key=''){ static $output=[]; foreach($array as $k=>$v){ if(is_array($v)){ recurse($v,$key?$key.'['.$k.']':$k); }else{ $output[$key?$key.'['.$k.']':$k]=$v; } } return $output; } var_export(recurse($asd));

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)
8.4.140.0090.01317.55
8.4.130.0100.00917.69
8.4.120.0110.00924.02
8.4.110.0060.00424.06
8.4.100.0150.00618.84
8.4.90.0100.01020.50
8.4.80.0030.00520.63
8.4.70.0050.00617.90
8.4.60.0090.01118.74
8.4.50.0130.00718.70
8.4.40.0070.01019.60
8.4.30.0080.00017.73
8.4.20.0160.00419.49
8.4.10.0030.00619.43
8.3.270.0120.00716.56
8.3.260.0070.01116.67
8.3.250.0120.00818.83
8.3.240.0150.00617.25
8.3.230.0110.00916.43
8.3.220.0050.00420.52
8.3.210.0020.00716.82
8.3.200.0100.01016.56
8.3.190.0130.00817.09
8.3.180.0110.00817.09
8.3.170.0110.00422.55
8.3.160.0110.00717.27
8.3.150.0080.01216.98
8.3.140.0070.01116.67
8.3.130.0040.00418.28
8.3.120.0090.00020.61
8.3.110.0120.00320.94
8.3.100.0080.00824.06
8.3.90.0100.01026.77
8.3.80.0060.00317.97
8.3.70.0090.00918.30
8.3.60.0070.00718.54
8.3.50.0120.00517.30
8.3.40.0110.00419.02
8.3.30.0040.01118.79
8.3.20.0050.00520.59
8.3.10.0080.00023.55
8.3.00.0070.00023.66
8.2.290.0110.00420.51
8.2.280.0150.00418.30
8.2.270.0100.00717.05
8.2.260.0100.00716.48
8.2.250.0090.00018.55
8.2.240.0040.00417.29
8.2.230.0040.01122.58
8.2.220.0070.00437.54
8.2.210.0060.00826.77
8.2.200.0080.00316.38
8.2.190.0070.00716.75
8.2.180.0060.01618.52
8.2.170.0090.00922.96
8.2.160.0000.01420.26
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0030.00519.27
8.2.120.0060.00326.35
8.2.110.0110.00021.12
8.2.100.0120.00017.78
8.2.90.0000.00820.60
8.2.80.0050.00317.97
8.2.70.0030.00518.16
8.2.60.0000.00918.16
8.2.50.0000.00818.10
8.2.40.0060.00320.42
8.2.30.0000.00819.37
8.2.20.0050.00218.17
8.2.10.0050.00218.02
8.2.00.0050.00318.31
8.1.330.0110.00721.88
8.1.320.0110.00815.71
8.1.310.0040.01518.59
8.1.300.0040.00415.93
8.1.290.0030.00630.84
8.1.280.0180.00425.92
8.1.270.0140.00023.99
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00622.59
8.1.230.0070.00320.98
8.1.220.0000.00817.79
8.1.210.0000.00818.92
8.1.200.0040.00417.47
8.1.190.0060.00317.25
8.1.180.0060.00318.10
8.1.170.0080.00018.48
8.1.160.0070.00018.88
8.1.150.0000.00718.88
8.1.140.0040.00419.06
8.1.130.0000.00717.70
8.1.120.0000.00717.48
8.1.110.0050.00317.34
8.1.100.0000.00717.43
8.1.90.0040.00417.43
8.1.80.0030.00717.34
8.1.70.0050.00217.44
8.1.60.0070.00317.46
8.1.50.0040.00417.45
8.1.40.0060.00317.48
8.1.30.0030.00617.57
8.1.20.0040.00417.54
8.1.10.0030.00617.46
8.1.00.0030.00517.45
8.0.300.0040.00420.03
8.0.290.0040.00416.63
8.0.280.0040.00418.50
8.0.270.0070.00017.21
8.0.260.0030.00317.25
8.0.250.0030.00316.97
8.0.240.0080.00016.94
8.0.230.0030.00316.86
8.0.220.0000.00716.75
8.0.210.0000.00716.78
8.0.200.0030.00316.90
8.0.190.0040.00416.96
8.0.180.0070.00016.73
8.0.170.0040.00416.79
8.0.160.0000.00716.92
8.0.150.0100.00016.87
8.0.140.0000.00716.86
8.0.130.0060.00013.34
8.0.120.0060.00316.84
8.0.110.0000.00816.70
8.0.100.0050.00316.78
8.0.90.0000.00716.76
8.0.80.0090.01216.90
8.0.70.0000.00716.93
8.0.60.0000.00816.95
8.0.50.0000.00816.88
8.0.30.0120.00817.25
8.0.20.0070.01217.41
8.0.10.0000.00717.07
8.0.00.0110.00816.54
7.4.330.0000.00516.59
7.4.320.0030.00316.65
7.4.300.0030.00316.41
7.4.290.0000.00716.50
7.4.280.0080.00016.39
7.4.270.0000.00716.59
7.4.260.0000.00716.48
7.4.250.0000.00816.56
7.4.240.0000.00816.61
7.4.230.0000.00716.71
7.4.220.0030.00516.60
7.4.210.0000.01516.55
7.4.200.0040.00416.68
7.4.160.0100.00716.56
7.4.150.0120.01217.40
7.4.140.0100.01417.86
7.4.130.0130.00316.49
7.4.120.0080.01316.48
7.4.110.0030.01416.34
7.4.100.0030.01316.46
7.4.90.0100.01016.50
7.4.80.0070.01019.39
7.4.70.0170.00016.54
7.4.60.0060.00916.40
7.4.50.0040.01516.67
7.4.40.0110.01216.29
7.4.00.0100.00714.82
7.3.330.0000.00513.24
7.3.320.0000.00513.35
7.3.310.0070.00016.35
7.3.300.0050.00216.33
7.3.290.0080.00716.36
7.3.280.0100.00716.39
7.3.270.0100.00717.40
7.3.260.0080.01416.60
7.3.250.0130.00716.55
7.3.240.0130.00816.44
7.3.230.0080.00816.34
7.3.210.0120.00616.65
7.3.200.0180.00616.69
7.3.190.0090.00616.43
7.3.180.0070.01316.54
7.3.170.0100.00616.43
7.3.160.0130.01016.72
7.3.120.0020.01315.09
7.3.110.0060.01114.82
7.3.100.0080.00514.76
7.3.90.0040.01014.92
7.3.80.0060.00614.67
7.3.70.0040.01014.84
7.3.60.0060.00914.72
7.3.50.0060.00915.00
7.3.40.0060.00914.74
7.3.30.0040.00914.90
7.3.20.0050.01016.70
7.3.10.0060.00916.69
7.3.00.0080.00516.60
7.2.330.0030.01516.64
7.2.320.0150.00316.73
7.2.310.0060.01016.43
7.2.300.0110.00616.67
7.2.290.0090.01216.38
7.2.250.0090.00914.79
7.2.240.0030.01415.21
7.2.230.0050.01015.15
7.2.220.0060.00714.90
7.2.210.0090.00514.93
7.2.200.0060.01014.94
7.2.190.0040.00915.08
7.2.180.0080.00614.78
7.2.170.0050.00715.08
7.2.160.0000.01314.80
7.2.150.0030.01217.07
7.2.140.0080.00816.95
7.2.130.0110.00316.76
7.2.120.0050.00616.77
7.2.110.0100.00716.88
7.2.100.0050.01216.75
7.2.90.0090.00716.86
7.2.80.0070.00816.89
7.2.70.0060.00716.80
7.2.60.0040.00816.81
7.2.50.0050.01016.90
7.2.40.0080.00416.87
7.2.30.0040.01116.64
7.2.20.0110.00416.87
7.2.10.0040.00917.86
7.2.00.0030.01317.88
7.1.330.0050.01015.86
7.1.320.0100.00515.67
7.1.310.0070.00815.78
7.1.300.0070.00715.88
7.1.290.0050.01015.80
7.1.280.0040.00615.88
7.1.270.0100.00415.89
7.1.260.0060.00915.77
7.1.250.0060.00715.67
7.1.200.0000.00815.75
7.1.130.0030.01018.84
7.1.120.0100.00718.95
7.1.110.0000.01418.00
7.1.100.0030.01017.82
7.1.90.0000.01218.16
7.1.80.0070.00718.33
7.1.70.0110.00717.32
7.1.60.0070.01835.24
7.1.50.0240.01034.89
7.1.40.0160.01034.46
7.1.30.0200.00734.43
7.1.20.0140.02134.56
7.1.10.0060.01216.46
7.1.00.0030.01116.79

preferences:
141.04 ms | 403 KiB | 5 Q