3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['test1' => 'value1', 'test2' => 'value2']; foreach ($arr as $item) { echo key($arr) . "\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)
8.3.60.0100.00318.55
8.3.50.0100.00721.92
8.3.40.0150.00318.84
8.3.30.0070.00718.51
8.3.20.0030.00520.03
8.3.10.0050.00320.56
8.3.00.0000.00721.90
8.2.180.0120.00316.36
8.2.170.0070.00722.96
8.2.160.0100.01022.07
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00421.13
8.2.120.0040.00426.35
8.2.110.0120.00020.99
8.2.100.0080.00617.75
8.2.90.0060.00319.28
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0030.00717.75
8.2.50.0130.00018.10
8.2.40.0000.00720.47
8.2.30.0040.00419.30
8.2.20.0000.00717.55
8.2.10.0000.00717.96
8.2.00.0040.00418.04
8.1.280.0120.00325.92
8.1.270.0060.00322.19
8.1.260.0000.00828.09
8.1.250.0070.00028.09
8.1.240.0000.00823.98
8.1.230.0040.00817.70
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0060.00317.22
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0040.00418.53
8.1.160.0070.00022.13
8.1.150.0080.00018.88
8.1.140.0030.00619.52
8.1.130.0030.00517.57
8.1.120.0000.00717.48
8.1.110.0070.00017.46
8.1.100.0020.00517.46
8.1.90.0040.00417.46
8.1.80.0040.00417.46
8.1.70.0030.00517.29
8.1.60.0030.00617.57
8.1.50.0000.00817.41
8.1.40.0040.00417.42
8.1.30.0040.00417.50
8.1.20.0040.00417.39
8.1.10.0070.00317.46
8.1.00.0000.00717.43
8.0.300.0000.00818.77
8.0.290.0050.00516.63
8.0.280.0070.00018.31
8.0.270.0070.00017.25
8.0.260.0040.00418.45
8.0.250.0040.00416.84
8.0.240.0000.00816.91
8.0.230.0030.00316.86
8.0.220.0030.00316.87
8.0.210.0040.00416.81
8.0.200.0040.00416.81
8.0.190.0060.00316.80
8.0.180.0040.00416.89
8.0.170.0070.00016.93
8.0.160.0040.00416.86
8.0.150.0030.00316.82
8.0.140.0000.00816.79
8.0.130.0030.00313.27
8.0.120.0040.00416.86
8.0.110.0030.00316.83
8.0.100.0000.00816.75
8.0.90.0040.00416.95
8.0.80.0090.00616.84
8.0.70.0040.00416.98
8.0.60.0000.00716.91
8.0.50.0000.00816.90
8.0.30.0150.00517.04
8.0.20.0140.01317.40
8.0.10.0000.00816.99
8.0.00.0060.01116.66
7.4.330.0000.00516.84
7.4.320.0030.00316.59
7.4.300.0030.00316.41
7.4.290.0030.00316.60
7.4.280.0000.00816.61
7.4.270.0050.00516.59
7.4.260.0000.00716.38
7.4.250.0000.00716.46
7.4.240.0000.00816.61
7.4.230.0040.00416.50
7.4.220.0030.01316.61
7.4.210.0100.00616.62
7.4.200.0050.00316.38
7.4.160.0120.00316.29
7.4.150.0120.01217.40
7.4.140.0090.00917.86
7.4.130.0120.00716.59
7.4.120.0110.00616.44
7.4.110.0090.00916.57
7.4.100.0060.01116.51
7.4.90.0080.00816.34
7.4.80.0160.00019.39
7.4.70.0180.00316.53
7.4.60.0090.01216.34
7.4.50.0000.01516.25
7.4.40.0070.01016.56
7.4.30.0070.01016.54
7.4.10.0040.00814.68
7.4.00.0080.00714.95
7.3.330.0000.00613.13
7.3.320.0060.00012.99
7.3.310.0040.00416.32
7.3.300.0030.00316.04
7.3.290.0030.00316.21
7.3.280.0090.00716.24
7.3.270.0100.00717.40
7.3.260.0120.00916.21
7.3.250.0080.01016.42
7.3.240.0100.01116.50
7.3.230.0100.00716.39
7.3.210.0140.00616.58
7.3.200.0050.01116.57
7.3.190.0130.01016.27
7.3.180.0070.01016.57
7.3.170.0120.00616.47
7.3.160.0070.01016.17
7.3.130.0040.00814.78
7.3.120.0080.00514.74
7.3.110.0070.00714.87
7.3.100.0070.00414.70
7.3.90.0060.00714.69
7.3.80.0070.00414.84
7.3.70.0060.00614.56
7.3.60.0080.00314.80
7.3.50.0070.00714.68
7.3.40.0030.01114.54
7.3.30.0050.00614.68
7.3.20.0030.00916.72
7.3.10.0070.00616.62
7.3.00.0050.00816.69
7.2.330.0190.00316.72
7.2.320.0130.00316.34
7.2.310.0060.00916.66
7.2.300.0070.01416.65
7.2.290.0090.00616.52
7.2.260.0040.00814.96
7.2.250.0060.00914.91
7.2.240.0090.00714.75
7.2.230.0030.01115.01
7.2.220.0030.00815.11
7.2.210.0070.00715.01
7.2.200.0000.01215.03
7.2.190.0090.00415.08
7.2.180.0050.00915.06
7.2.170.0030.01115.13
7.2.160.0040.00814.93
7.2.150.0040.00816.54
7.2.140.0040.00716.99
7.2.130.0120.00016.92
7.2.120.0040.00816.82
7.2.110.0040.00816.88
7.2.100.0040.00816.93
7.2.90.0040.00816.97
7.2.80.0040.00417.02
7.2.70.0070.00716.84
7.2.60.0040.00616.83
7.2.50.0110.00016.76
7.2.40.0080.00516.73
7.2.30.0050.00516.61
7.2.20.0030.01016.95
7.2.10.0000.00816.93
7.2.00.0030.00817.99
7.1.330.0030.00915.79
7.1.320.0090.00415.64
7.1.310.0050.00715.91
7.1.300.0030.00915.93
7.1.290.0080.00215.79
7.1.280.0010.01015.68
7.1.270.0040.00715.56
7.1.260.0050.00715.74
7.1.250.0060.00615.64
7.1.240.0000.01115.81
7.1.230.0050.00515.70
7.1.220.0070.00415.90
7.1.210.0030.00715.91
7.1.200.0090.00215.89
7.1.190.0060.00315.85
7.1.180.0030.00715.79
7.1.170.0050.00515.88
7.1.160.0060.00615.80
7.1.150.0030.00615.49
7.1.140.0000.00915.80
7.1.130.0030.00915.81
7.1.120.0030.00615.79
7.1.110.0000.01015.84
7.1.100.0020.00916.97
7.1.90.0000.00815.77
7.1.80.0000.00915.75
7.1.70.0070.00416.53
7.1.60.0040.01617.45
7.1.50.0030.01516.40
7.1.40.0110.00315.77
7.1.30.0080.00415.81
7.1.20.0040.00815.81
7.1.10.0100.00315.60
7.1.00.0100.03719.12
7.0.330.0060.00515.34
7.0.320.0000.01115.20
7.0.310.0030.00815.23
7.0.300.0070.00715.30
7.0.290.0030.00615.11
7.0.280.0050.00515.55
7.0.270.0030.00715.46
7.0.260.0040.00415.48
7.0.250.0060.00615.38
7.0.240.0060.00315.45
7.0.230.0000.01415.41
7.0.220.0070.00015.55
7.0.210.0040.00915.08
7.0.200.0260.00714.99
7.0.190.0000.01515.54
7.0.180.0070.00015.43
7.0.170.0040.01115.40
7.0.160.0070.00715.52
7.0.150.0060.00315.32
7.0.140.0040.00415.58
7.0.130.0060.00615.55
7.0.120.0060.00615.38
7.0.110.0000.00715.46
7.0.100.0050.04517.71
7.0.90.0030.02817.72
7.0.80.0070.03417.74
7.0.70.0050.03517.74
7.0.60.0050.04117.62
7.0.50.0100.03817.90
7.0.40.0070.04716.75
7.0.30.0010.04916.74
7.0.20.0080.03316.82
7.0.10.0070.04316.78
7.0.00.0030.03116.84
5.6.400.0040.00814.11
5.6.390.0070.00314.46
5.6.380.0050.00514.23
5.6.370.0070.00414.69
5.6.360.0040.00714.45
5.6.350.0100.00014.57
5.6.340.0000.01114.61
5.6.330.0030.00914.05
5.6.320.0040.00814.46
5.6.310.0100.00714.40
5.6.300.0070.00314.36
5.6.290.0000.00714.39
5.6.280.0030.02217.67
5.6.270.0040.00714.40
5.6.260.0070.00714.33
5.6.250.0080.02117.64
5.6.240.0080.02217.54
5.6.230.0100.02617.40
5.6.220.0060.03817.59
5.6.210.0100.04217.44
5.6.200.0030.04217.75
5.6.190.0100.04517.63
5.6.180.0120.03217.70
5.6.170.0090.04417.50
5.6.160.0050.02817.65
5.6.150.0050.04817.80
5.6.140.0120.03717.75
5.6.130.0040.04517.60
5.6.120.0010.04317.56
5.6.110.0020.03717.67
5.6.100.0080.04117.79
5.6.90.0100.04017.51
5.6.80.0100.02517.43
5.6.70.0050.04517.31
5.6.60.0030.04517.31
5.6.50.0050.04317.38
5.6.40.0080.04517.30
5.6.30.0100.03117.31
5.6.20.0070.02717.37
5.6.10.0070.04217.30
5.6.00.0110.02317.20
5.5.380.0100.03317.14
5.5.370.0080.04517.37
5.5.360.0070.02917.48
5.5.350.0120.03517.33
5.5.340.0060.04317.73
5.5.330.0030.04517.42
5.5.320.0080.04117.69
5.5.310.0140.03517.65
5.5.300.0030.05117.55
5.5.290.0050.04517.61
5.5.280.0050.04717.51
5.5.270.0100.04317.53
5.5.260.0080.02517.73
5.5.250.0070.03917.27
5.5.240.0070.04217.06
5.5.230.0070.04617.18
5.5.220.0070.04217.11
5.5.210.0110.04017.32
5.5.200.0130.03117.20
5.5.190.0050.04617.29
5.5.180.0050.04817.19
5.5.170.0040.00813.79
5.5.160.0070.04317.08
5.5.150.0140.03517.30
5.5.140.0050.03917.25
5.5.130.0040.03217.16
5.5.120.0050.04217.05
5.5.110.0080.03717.27
5.5.100.0050.04417.31
5.5.90.0040.03617.07
5.5.80.0080.04017.21
5.5.70.0130.03817.13
5.5.60.0060.03117.08
5.5.50.0070.04717.12
5.5.40.0100.03017.21
5.5.30.0100.04217.04
5.5.20.0080.03317.07
5.5.10.0050.03616.97
5.5.00.0060.02816.98

preferences:
42.4 ms | 401 KiB | 5 Q