3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("one"=>1,"two"=>2,"three"=>3); foreach($a as &$b) { var_dump( key($a) ); var_dump( current($a) ); } var_dump( key($a) ); var_dump( current($a) );

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)
8.3.60.0070.00718.56
8.3.50.0090.00617.91
8.3.40.0040.01818.72
8.3.30.0150.00018.56
8.3.20.0050.00320.06
8.3.10.0000.00723.68
8.3.00.0030.00519.79
8.2.180.0000.01518.54
8.2.170.0140.00022.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00319.34
8.2.120.0000.00826.35
8.2.110.0060.00320.58
8.2.100.0030.00917.93
8.2.90.0030.00519.22
8.2.80.0080.00017.97
8.2.70.0000.00917.50
8.2.60.0030.00517.79
8.2.50.0040.00418.07
8.2.40.0000.00822.18
8.2.30.0000.00720.49
8.2.20.0040.00417.64
8.2.10.0070.00018.03
8.2.00.0040.00418.04
8.1.280.0070.00725.92
8.1.270.0080.00020.04
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0030.00623.95
8.1.230.0060.00617.83
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0050.00317.35
8.1.180.0090.00018.10
8.1.170.0060.00318.49
8.1.160.0070.00020.66
8.1.150.0050.00318.75
8.1.140.0040.00419.62
8.1.130.0000.00717.67
8.1.120.0000.00717.50
8.1.110.0070.00017.45
8.1.100.0000.00717.46
8.1.90.0070.00017.32
8.1.80.0000.00717.48
8.1.70.0080.00017.24
8.1.60.0040.00417.58
8.1.50.0080.00017.49
8.1.40.0040.00417.53
8.1.30.0040.00417.66
8.1.20.0040.00417.63
8.1.10.0040.00417.47
8.1.00.0000.00817.35
8.0.300.0040.00418.77
8.0.290.0020.00516.75
8.0.280.0000.00718.52
8.0.270.0040.00417.16
8.0.260.0000.00617.24
8.0.250.0030.00316.96
8.0.240.0000.00716.96
8.0.230.0040.00416.89
8.0.220.0000.00716.89
8.0.210.0000.00716.86
8.0.200.0030.00316.86
8.0.190.0000.00816.89
8.0.180.0070.00016.94
8.0.170.0040.00416.82
8.0.160.0000.00716.87
8.0.150.0040.00416.81
8.0.140.0000.00716.86
8.0.130.0000.00713.35
8.0.120.0050.00216.86
8.0.110.0030.00516.79
8.0.100.0040.00416.92
8.0.90.0040.00316.75
8.0.80.0060.01116.86
8.0.70.0000.00716.75
8.0.60.0040.00416.69
8.0.50.0000.00716.75
8.0.30.0160.00616.93
8.0.20.0080.01017.40
8.0.10.0080.00016.85
8.0.00.0060.01216.67
7.4.330.0000.00516.66
7.4.320.0000.00616.51
7.4.300.0000.00616.46
7.4.290.0070.00016.53
7.4.280.0080.00316.39
7.4.270.0040.00416.49
7.4.260.0000.00716.47
7.4.250.0050.00216.45
7.4.240.0010.00616.52
7.4.230.0000.00716.59
7.4.220.0080.01116.48
7.4.210.0060.00916.62
7.4.200.0000.00716.40
7.4.160.0080.00816.61
7.4.150.0090.00917.40
7.4.140.0120.01017.86
7.4.130.0090.01016.46
7.4.120.0090.01116.44
7.4.110.0060.01216.49
7.4.100.0150.00316.43
7.4.90.0090.00916.52
7.4.80.0030.02419.39
7.4.70.0040.01816.56
7.4.60.0070.01116.41
7.4.50.0040.01116.33
7.4.40.0090.00916.37
7.4.30.0150.00316.50
7.4.00.0080.00814.97
7.3.330.0060.00313.07
7.3.320.0000.00713.14
7.3.310.0030.00316.17
7.3.300.0040.00416.24
7.3.290.0070.00916.21
7.3.280.0070.00916.22
7.3.270.0100.00717.40
7.3.260.0120.00616.56
7.3.250.0120.00716.34
7.3.240.0070.01216.45
7.3.230.0110.00616.39
7.3.210.0100.01016.30
7.3.200.0060.01316.47
7.3.190.0130.01016.29
7.3.180.0090.00816.41
7.3.170.0070.01416.27
7.3.160.0090.01216.30
7.3.120.0070.01114.84
7.3.110.0020.01414.81
7.3.100.0030.01514.57
7.3.90.0060.00614.79
7.3.80.0030.01114.86
7.3.70.0060.00614.90
7.3.60.0030.01014.83
7.3.50.0000.00914.55
7.3.40.0090.00314.66
7.3.30.0040.01214.66
7.3.20.0080.00316.75
7.3.10.0080.00416.88
7.3.00.0000.00916.48
7.2.330.0050.01316.45
7.2.320.0090.01316.48
7.2.310.0060.01016.30
7.2.300.0170.00016.52
7.2.290.0080.01216.57
7.2.250.0110.01115.07
7.2.240.0070.01115.14
7.2.230.0030.01014.74
7.2.220.0000.01515.12
7.2.210.0120.00314.60
7.2.200.0030.00914.99
7.2.190.0070.00714.98
7.2.180.0050.00814.75
7.2.170.0100.00715.06
7.2.160.0060.00915.11
7.2.150.0030.00916.88
7.2.140.0120.00316.97
7.2.130.0060.00916.78
7.2.120.0000.01416.86
7.2.110.0000.01416.80
7.2.100.0080.00316.70
7.2.90.0000.01516.74
7.2.80.0070.00316.89
7.2.70.0030.01417.01
7.2.60.0050.01016.81
7.2.50.0070.00716.83
7.2.40.0070.00717.01
7.2.30.0030.01216.75
7.2.20.0040.00816.62
7.2.10.0030.01016.87
7.2.00.0070.00918.01
7.1.330.0140.00315.54
7.1.320.0070.00715.54
7.1.310.0040.00815.80
7.1.300.0000.00915.84
7.1.290.0060.00915.51
7.1.280.0070.00715.77
7.1.270.0000.01315.63
7.1.260.0070.00716.05
7.1.250.0000.01015.69
7.1.240.0060.00615.73
7.1.230.0060.00315.82
7.1.220.0070.01015.63
7.1.210.0050.00515.84
7.1.200.0030.00815.83
7.1.190.0070.00715.90
7.1.180.0060.00815.75
7.1.170.0030.01015.82
7.1.160.0100.00715.90
7.1.150.0060.00615.78
7.1.140.0070.00415.92
7.1.130.0000.01615.80
7.1.120.0000.00915.85
7.1.110.0000.01215.94
7.1.100.0090.00716.90
7.1.90.0030.01015.59
7.1.80.0040.00815.64
7.1.70.0000.00816.65
7.1.60.0050.01217.53
7.1.50.0050.01016.21
7.1.40.0030.00915.86
7.1.30.0060.00615.81
7.1.20.0100.00315.73
7.1.10.0070.00715.70
7.1.00.0020.04619.10
7.0.330.0070.00715.60
7.0.320.0090.00015.50
7.0.310.0000.00815.38
7.0.300.0090.00315.53
7.0.290.0070.01015.38
7.0.280.0040.00415.23
7.0.270.0030.01015.05
7.0.260.0000.01415.30
7.0.250.0040.01115.34
7.0.240.0000.01115.60
7.0.230.0030.00915.37
7.0.220.0030.01015.66
7.0.210.0060.00315.39
7.0.200.0030.00715.87
7.0.190.0040.01115.53
7.0.180.0040.00415.31
7.0.170.0060.00315.49
7.0.160.0030.00515.50
7.0.150.0030.01015.41
7.0.140.0080.00315.49
7.0.130.0080.00815.25
7.0.120.0000.01315.52
7.0.110.0000.01215.52
7.0.100.0040.00715.38
7.0.90.0060.00915.54
7.0.80.0070.00315.47
7.0.70.0070.00715.26
7.0.60.0070.03517.80
7.0.50.0030.02616.63
7.0.40.0070.04616.73
7.0.30.0200.03816.77
7.0.20.0150.02716.77
7.0.10.0050.03016.75
7.0.00.0070.04616.86
5.6.400.0050.00314.52
5.6.390.0100.00014.20
5.6.380.0120.00014.31
5.6.370.0060.00914.17
5.6.360.0060.00314.62
5.6.350.0040.01214.59
5.6.340.0000.01014.28
5.6.330.0090.00614.34
5.6.320.0000.00814.17
5.6.310.0060.00314.45
5.6.300.0070.00714.29
5.6.290.0040.01114.39
5.6.280.0000.02317.60
5.6.270.0080.00814.47
5.6.260.0030.01014.25
5.6.250.0030.01014.34
5.6.240.0040.01414.53
5.6.230.0030.01014.03
5.6.220.0070.01014.08
5.6.210.0030.04717.55
5.6.200.0060.02116.14
5.6.190.0100.04217.50
5.6.180.0130.04717.36
5.6.170.0180.03417.27
5.6.160.0050.04317.39
5.6.150.0050.04716.37
5.6.140.0020.02716.34
5.6.130.0050.02716.20
5.6.120.0050.04817.73
5.6.110.0070.03917.70
5.6.100.0150.02817.69
5.6.90.0050.02517.69
5.6.80.0040.04117.31
5.6.70.0070.00414.42
5.6.60.0030.01014.24
5.6.50.0130.00314.36
5.6.40.0090.00014.26
5.6.30.0080.00413.93
5.6.20.0080.00814.18
5.6.10.0140.00014.17
5.6.00.0030.01314.23
5.5.380.0040.01114.31
5.5.370.0000.01214.23
5.5.360.0070.00714.27
5.5.350.0090.03417.22
5.5.340.0060.03716.06
5.5.330.0120.02717.27
5.5.320.0250.02417.09
5.5.310.0150.03017.23
5.5.300.0040.04316.02
5.5.290.0040.03716.15
5.5.280.0010.04117.50
5.5.270.0100.04317.47
5.5.260.0050.04017.56
5.5.250.0050.03517.42
5.5.240.1630.01717.23
5.5.230.0040.00813.85
5.5.220.0000.00914.20
5.5.210.0040.01113.86
5.5.200.0070.00314.26
5.5.190.0080.00413.93
5.5.180.0070.00713.97
5.5.170.0030.01214.12
5.5.160.0110.00314.30
5.5.150.0110.00614.05
5.5.140.0040.00714.33
5.5.130.0060.00614.32
5.5.120.0000.01514.05
5.5.110.0040.00714.03
5.5.100.0060.00913.76
5.5.90.0070.01313.98
5.5.80.0040.01213.97
5.5.70.0130.00614.17
5.5.60.0030.01713.91
5.5.50.0090.00913.98
5.5.40.0100.01013.74
5.5.30.0090.00913.94
5.5.20.0060.00313.98
5.5.10.0040.01114.22
5.5.00.0060.00614.27

preferences:
51.73 ms | 400 KiB | 5 Q