3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['test1','test2','test3','test4']; foreach($array as $key => $value) { if($key == '0') { echo "key0\n"; } else { echo $array[$key - 1] . "\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)
8.3.60.0140.00718.55
8.3.50.0080.00821.20
8.3.40.0040.01118.88
8.3.30.0100.00320.34
8.3.20.0040.00418.60
8.3.10.0040.00421.13
8.3.00.0040.00422.52
8.2.180.0100.01316.63
8.2.170.0030.01322.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0070.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00420.62
8.2.110.0030.00619.24
8.2.100.0070.00417.72
8.2.90.0030.00619.17
8.2.80.0000.00817.97
8.2.70.0070.00317.63
8.2.60.0100.00017.93
8.2.50.0000.00918.07
8.2.40.0050.00318.30
8.2.30.0040.00419.49
8.2.20.0000.00717.63
8.2.10.0000.00917.61
8.2.00.0040.00417.66
8.1.280.0130.00325.92
8.1.270.0040.00423.99
8.1.260.0110.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00722.57
8.1.230.0090.00320.91
8.1.220.0040.00418.77
8.1.210.0000.00819.16
8.1.200.0070.00317.22
8.1.190.0000.00817.43
8.1.180.0080.00018.10
8.1.170.0000.00818.50
8.1.160.0050.00218.79
8.1.150.0000.01118.63
8.1.140.0040.00417.34
8.1.130.0030.00317.73
8.1.120.0040.00417.42
8.1.110.0070.00017.44
8.1.100.0030.00517.48
8.1.90.0000.00717.36
8.1.80.0000.00717.35
8.1.70.0000.00717.33
8.1.60.0060.00317.54
8.1.50.0040.00417.41
8.1.40.0040.00417.50
8.1.30.0000.00717.67
8.1.20.0000.00917.57
8.1.10.0040.00417.59
8.1.00.0080.00017.53
8.0.300.0000.00819.98
8.0.290.0080.00017.28
8.0.280.0000.00718.48
8.0.270.0040.00417.25
8.0.260.0030.00316.87
8.0.250.0040.00416.88
8.0.240.0070.00016.90
8.0.230.0040.00416.98
8.0.220.0070.00016.92
8.0.210.0040.00416.88
8.0.200.0030.00516.85
8.0.190.0000.00816.95
8.0.180.0070.00016.81
8.0.170.0000.00816.79
8.0.160.0000.00716.88
8.0.150.0000.00716.87
8.0.140.0040.00416.73
8.0.130.0050.00013.29
8.0.120.0000.00716.89
8.0.110.0040.00416.70
8.0.100.0000.00716.68
8.0.90.0000.00716.71
8.0.80.0080.00816.92
8.0.70.0000.00716.84
8.0.60.0000.00816.95
8.0.50.0050.00216.73
8.0.30.0030.01617.08
8.0.20.0080.01117.40
8.0.10.0000.00716.83
8.0.00.0130.00516.51
7.4.330.0000.00516.73
7.4.320.0030.00316.52
7.4.300.0030.00316.42
7.4.290.0050.00216.58
7.4.280.0000.00716.56
7.4.270.0030.00316.50
7.4.260.0030.00513.28
7.4.250.0050.00316.47
7.4.240.0050.00216.52
7.4.230.0000.00716.38
7.4.220.0120.00616.45
7.4.210.0120.00716.52
7.4.200.0030.00316.61
7.4.190.0070.00016.46
7.4.160.0100.00616.25
7.4.150.0080.01317.40
7.4.140.0110.00917.86
7.4.130.0110.00616.65
7.4.120.0080.00816.60
7.4.110.0000.01616.29
7.4.100.0100.00716.66
7.4.90.0100.00716.36
7.4.80.0030.01519.39
7.4.70.0070.01016.34
7.4.60.0070.01016.65
7.4.50.0080.00016.53
7.4.40.0070.00822.77
7.4.30.0060.00916.35
7.4.00.0100.00714.74
7.3.330.0030.00313.00
7.3.320.0030.00313.02
7.3.310.0000.00716.39
7.3.300.0030.00316.27
7.3.290.0040.01116.37
7.3.280.0050.01016.27
7.3.270.0090.01217.40
7.3.260.0100.00918.24
7.3.250.0120.00616.44
7.3.240.0150.00916.49
7.3.230.0060.01016.60
7.3.210.0100.00616.31
7.3.200.0110.00719.39
7.3.190.0090.00916.23
7.3.180.0070.01016.56
7.3.170.0100.00716.29
7.3.160.0070.01416.30
7.3.120.0030.01215.11
7.2.330.0140.01016.71
7.2.320.0110.00716.64
7.2.310.0060.00916.48
7.2.300.0000.01516.86
7.2.290.0040.01316.86
7.2.00.0070.00719.14
7.1.100.0310.00317.97
7.1.70.0090.00917.23
7.1.60.0140.01119.17
7.1.50.0100.01416.94
7.1.00.0070.06722.56
7.0.200.0000.00716.53
7.0.140.0100.06722.21
7.0.100.0100.07320.00
7.0.90.0030.04320.04
7.0.80.0130.07319.99
7.0.70.0370.06319.89
7.0.60.0030.06719.83
7.0.50.0030.04720.29
7.0.40.0070.04020.12
7.0.30.0030.05320.14
7.0.20.0170.08020.07
7.0.10.0030.05020.02
7.0.00.0070.06020.08
5.6.280.0030.07321.06
5.6.250.0030.09020.47
5.6.240.0030.07720.59
5.6.230.0030.06720.66
5.6.220.0070.08020.55
5.6.210.0130.05720.74
5.6.200.0030.04721.13
5.6.190.0030.06020.92
5.6.180.0100.04320.94
5.6.170.0000.04721.16
5.6.160.0130.08021.08
5.6.150.0130.07021.10
5.6.140.0100.04021.10
5.6.130.0030.04721.07
5.6.120.0070.06020.92
5.6.110.0100.04021.11
5.6.100.0100.04021.14
5.6.90.0070.04721.10
5.6.80.0030.04320.41
5.6.70.0030.04320.46
5.6.60.0100.03720.39
5.6.50.0030.03720.48
5.6.40.0070.04020.52
5.6.30.0030.04020.46
5.6.20.0000.04320.48
5.6.10.0030.04020.45
5.6.00.0000.03720.27
5.5.380.0030.05020.34
5.5.370.0100.08020.42
5.5.360.0070.04020.41
5.5.350.0070.05720.43
5.5.340.0070.04020.78
5.5.330.0070.04320.88
5.5.320.0030.04020.80
5.5.310.0070.07720.87
5.5.300.0030.06020.79
5.5.290.0070.07020.85
5.5.280.0100.05320.84
5.5.270.0000.05020.75
5.5.260.0030.04320.58
5.5.250.0100.03720.71
5.5.240.0000.04720.28
5.5.230.0030.04020.29
5.5.220.0130.03020.15
5.5.210.0030.04020.25
5.5.200.0030.04020.16
5.5.190.0070.03720.26
5.5.180.0030.04019.97
5.5.160.0070.04020.22
5.5.150.0000.04320.16
5.5.140.0100.03720.09
5.5.130.0130.07020.20
5.5.120.0100.06720.25
5.5.110.0100.04720.20
5.5.100.0030.08320.03
5.5.90.0070.08320.09
5.5.80.0200.06320.05
5.5.70.0030.08320.07
5.5.60.0100.07020.09
5.5.50.0130.07020.03
5.5.40.0100.07319.95
5.5.30.0130.07020.13
5.5.20.0000.08320.07
5.5.10.0170.06020.00
5.5.00.0070.06319.94
5.4.450.0200.06719.27
5.4.440.0100.03719.35
5.4.430.0100.03319.35
5.4.420.0000.04319.27
5.4.410.0000.04319.22
5.4.400.0000.04319.12
5.4.390.0070.04319.05
5.4.380.0070.03719.06
5.4.370.0000.04019.04
5.4.360.0030.03718.78
5.4.350.0030.03719.07
5.4.340.0070.03719.03
5.4.320.0000.04019.07
5.4.310.0000.04318.98
5.4.300.0030.06019.09
5.4.290.0030.07719.09
5.4.280.0100.09019.11
5.4.270.0100.04019.11
5.4.260.0100.08019.12
5.4.250.0100.07719.14
5.4.240.0130.07718.87
5.4.230.0070.05018.77
5.4.220.0000.06019.03
5.4.210.0100.07018.90
5.4.200.0070.06018.89
5.4.190.0030.04018.80
5.4.180.0030.07319.11
5.4.170.0100.03719.06
5.4.160.0230.06318.96
5.4.150.0070.06319.00
5.4.140.0100.04316.24
5.4.130.0100.05016.28
5.4.120.0000.07716.28
5.4.110.0100.06316.23
5.4.100.0030.04316.25
5.4.90.0030.05016.36
5.4.80.0000.08316.41
5.4.70.0030.07016.39
5.4.60.0030.07316.24
5.4.50.0030.04016.38
5.4.40.0100.03316.33
5.4.30.0100.03316.18
5.4.20.0030.07316.23
5.4.10.0030.05316.40
5.4.00.0100.06715.65
5.3.290.0030.03714.60
5.3.280.0070.07714.47
5.3.270.0130.07014.59
5.3.260.0000.08014.47
5.3.250.0130.06714.59
5.3.240.0130.06314.59
5.3.230.0130.04014.59
5.3.220.0170.06314.51
5.3.210.0200.06014.44
5.3.200.0030.06014.43
5.3.190.0070.07714.53
5.3.180.0000.08314.42
5.3.170.0070.07314.47
5.3.160.0070.06714.42
5.3.150.0030.04314.53
5.3.140.0070.07014.55
5.3.130.0070.06314.39
5.3.120.0070.05014.53
5.3.110.0070.06714.55
5.3.100.0000.04314.04
5.3.90.0100.06314.02
5.3.80.0070.04013.97
5.3.70.0070.07313.88
5.3.60.0030.07313.86
5.3.50.0030.06713.93
5.3.40.0000.08013.71
5.3.30.0070.04313.89
5.3.20.0100.03313.64
5.3.10.0100.03013.43
5.3.00.0030.03313.63
5.2.170.0030.03712.61
5.2.160.0070.06312.61
5.2.150.0030.06012.61
5.2.140.0070.04012.61
5.2.130.0070.05712.61
5.2.120.0070.03712.61
5.2.110.0070.06012.61
5.2.100.0070.02712.61
5.2.90.0030.06312.61
5.2.80.0070.04012.61
5.2.70.0100.03012.61
5.2.60.0070.04312.61
5.2.50.0030.03312.61
5.2.40.0070.04312.61
5.2.30.0070.05712.61
5.2.20.0100.05712.61
5.2.10.0100.05312.61
5.2.00.0030.03712.61
5.1.60.0000.03012.61
5.1.50.0030.05012.61
5.1.40.0100.05312.61
5.1.30.0030.05712.61
5.1.20.0030.04712.61
5.1.10.0000.06012.61
5.1.00.0000.05012.61
5.0.50.0030.03312.61
5.0.40.0070.02012.61
5.0.30.0000.07012.61
5.0.20.0000.03012.61
5.0.10.0030.04312.61
5.0.00.0030.06312.61
4.4.90.0000.01712.61
4.4.80.0030.01312.61
4.4.70.0030.03312.61
4.4.60.0070.03012.61
4.4.50.0070.03312.61
4.4.40.0030.04312.61
4.4.30.0030.02712.61
4.4.20.0000.03312.61
4.4.10.0070.03012.61
4.4.00.0030.05312.61
4.3.110.0000.03312.61
4.3.100.0030.02312.61
4.3.90.0030.02312.61
4.3.80.0030.05712.61
4.3.70.0070.03012.61
4.3.60.0030.02312.61
4.3.50.0100.02712.61
4.3.40.0000.04712.61
4.3.30.0000.03712.61
4.3.20.0000.03712.61
4.3.10.0030.03312.61
4.3.00.0000.03312.61

preferences:
41.42 ms | 400 KiB | 5 Q