3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('key', 'value', 'key2'); $iterations = count($arr); $result = array(); for ($i = 0; $i < $iterations; $i += 2) $result[$arr[$i]] = isset($arr[$i + 1]) ? $arr[$i + 1] : null; var_dump($result);

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)
8.3.70.0070.01018.31
8.3.60.0130.00316.88
8.3.50.0070.01022.05
8.3.40.0110.00418.88
8.3.30.0160.00318.84
8.3.20.0070.01018.61
8.3.10.0000.00821.04
8.3.00.0050.00323.65
8.2.190.0140.00017.96
8.2.180.0080.00816.36
8.2.170.0140.00322.96
8.2.160.0030.01320.38
8.2.150.0100.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00720.93
8.2.110.0060.00320.33
8.2.100.0070.00417.78
8.2.90.0040.00419.06
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0050.00221.29
8.2.20.0050.00217.59
8.2.10.0050.00217.73
8.2.00.0040.00417.61
8.1.280.0130.00725.92
8.1.270.0030.00623.99
8.1.260.0130.00626.35
8.1.250.0000.00728.09
8.1.240.0060.00322.46
8.1.230.0070.00420.93
8.1.220.0000.00818.77
8.1.210.0000.00818.89
8.1.200.0060.00317.48
8.1.190.0000.00717.55
8.1.180.0000.00818.10
8.1.170.0040.00418.49
8.1.160.0070.00018.88
8.1.150.0030.00618.64
8.1.140.0040.00417.41
8.1.130.0030.00317.88
8.1.120.0040.00417.45
8.1.110.0040.00417.33
8.1.100.0000.00817.37
8.1.90.0000.00717.36
8.1.80.0000.00717.45
8.1.70.0080.00017.42
8.1.60.0000.01117.41
8.1.50.0040.00417.37
8.1.40.0030.00517.44
8.1.30.0040.00417.63
8.1.20.0040.00417.65
8.1.10.0040.00417.48
8.1.00.0080.00017.33
8.0.300.0040.00419.72
8.0.290.0070.00017.17
8.0.280.0000.00818.36
8.0.270.0070.00017.11
8.0.260.0040.00416.76
8.0.250.0000.00716.82
8.0.240.0000.00816.89
8.0.230.0000.00716.92
8.0.220.0090.00016.83
8.0.210.0060.00016.89
8.0.200.0060.00016.88
8.0.190.0000.00716.91
8.0.180.0070.00016.87
8.0.170.0040.00316.90
8.0.160.0030.00516.93
8.0.150.0030.00316.71
8.0.140.0000.00716.71
8.0.130.0030.00313.25
8.0.120.0040.00416.86
8.0.110.0060.00316.70
8.0.100.0070.00016.83
8.0.90.0070.00016.77
8.0.80.0140.00316.93
8.0.70.0050.00216.76
8.0.60.0080.00016.83
8.0.50.0000.00916.77
8.0.30.0070.01217.03
8.0.20.0080.01017.40
8.0.10.0030.00316.88
8.0.00.0150.00416.72
7.4.330.0030.00314.64
7.4.320.0060.00016.48
7.4.300.0030.00316.51
7.4.290.0030.00316.50
7.4.280.0000.00716.55
7.4.270.0000.00716.49
7.4.260.0060.00013.23
7.4.250.0050.00316.61
7.4.240.0000.00716.61
7.4.230.0000.00816.57
7.4.220.0050.01116.61
7.4.210.0070.00816.59
7.4.200.0030.00316.70
7.4.190.0070.00016.40
7.4.160.0130.00316.34
7.4.150.0070.01117.40
7.4.140.0140.00717.86
7.4.130.0070.01016.42
7.4.120.0090.00916.36
7.4.110.0140.00316.42
7.4.100.0100.00716.31
7.4.90.0030.01616.31
7.4.80.0060.01619.39
7.4.70.0090.00916.57
7.4.60.0100.01316.34
7.4.50.0090.00016.30
7.4.40.0100.00722.52
7.4.30.0100.00716.26
7.4.00.0060.00914.75
7.3.330.0030.00313.19
7.3.320.0030.00313.21
7.3.310.0000.00716.48
7.3.300.0000.00616.31
7.3.290.0140.00316.31
7.3.280.0090.00716.30
7.3.270.0070.01017.40
7.3.260.0100.01418.24
7.3.250.0130.00816.31
7.3.240.0080.00816.35
7.3.230.0100.00716.39
7.3.210.0120.00416.22
7.3.200.0160.00619.39
7.3.190.0110.00716.31
7.3.180.0040.01216.32
7.3.170.0120.00316.27
7.3.160.0060.01016.48
7.3.120.0070.00814.74
7.3.110.0070.01014.67
7.3.100.0060.00914.65
7.3.90.0060.00914.84
7.3.80.0000.01015.07
7.3.70.0060.00614.78
7.3.60.0030.00914.64
7.3.50.0070.00714.85
7.3.40.0110.00014.50
7.3.30.0060.00914.76
7.3.20.0100.00316.41
7.3.10.0020.01116.74
7.3.00.0050.00916.50
7.2.330.0110.00716.71
7.2.320.0110.00716.73
7.2.310.0120.01016.69
7.2.300.0100.00716.46
7.2.290.0100.00716.86
7.2.250.0090.00915.05
7.2.240.0030.01615.04
7.2.230.0090.00914.93
7.2.220.0000.01014.89
7.2.210.0000.00914.66
7.2.200.0030.01015.14
7.2.190.0070.00714.62
7.2.180.0090.00314.76
7.2.170.0110.00415.07
7.2.130.0030.00616.69
7.2.120.0090.00616.89
7.2.110.0100.01016.82
7.2.100.0100.00317.04
7.2.90.0000.01116.91
7.2.80.0080.00616.89
7.2.70.0090.00617.08
7.2.60.0090.00316.86
7.2.50.0000.00916.98
7.2.40.0040.01117.14
7.2.30.0170.00017.07
7.2.20.0110.00317.19
7.2.10.0080.00416.75
7.2.00.0000.01318.21
7.1.330.0050.00515.92
7.1.320.0060.00315.57
7.1.310.0080.00515.62
7.1.300.0060.01215.78
7.1.290.0070.00315.75
7.1.280.0070.00315.58
7.1.270.0000.01315.82
7.1.260.0150.00015.45
7.1.250.0110.00415.70
7.1.100.0060.00318.13
7.1.70.0030.00716.88
7.1.60.0170.00719.40
7.1.50.0240.01334.97
7.1.00.0000.07322.48
7.0.200.0100.00016.81
7.0.140.0000.07722.09
7.0.70.0030.05721.70
7.0.60.0030.06321.68
7.0.50.0030.06322.16
7.0.40.0000.05320.00
7.0.30.0000.05020.06
7.0.20.0070.06020.20
7.0.10.0070.08720.16
7.0.00.0070.07020.12
5.6.220.0070.08020.70
5.6.210.0000.09020.74
5.6.200.0070.07721.01
5.6.190.0100.06721.04
5.6.180.0070.03721.02
5.6.170.0030.09020.94
5.6.160.0000.06721.08
5.6.150.0100.07721.03
5.6.140.0170.07321.05
5.6.130.0170.07321.03
5.6.120.0030.04720.91
5.6.110.0000.08320.98
5.6.100.0070.08021.01
5.6.90.0030.05721.06
5.6.80.0030.06020.38
5.6.70.0000.04720.40
5.6.60.0030.07720.31
5.6.50.0100.05720.47
5.6.40.0030.06720.30
5.6.30.0000.04320.44
5.6.20.0000.04020.41
5.6.10.0000.04020.38
5.6.00.0070.04020.33
5.5.360.0170.07720.40
5.5.350.0030.04320.46
5.5.340.0030.08320.71
5.5.330.0030.05720.83
5.5.320.0000.05720.90
5.5.310.0070.08020.91
5.5.300.0000.09020.84
5.5.290.0030.07320.89
5.5.280.0000.08720.79
5.5.270.0030.05720.88
5.5.260.0000.06020.62
5.5.250.0030.07020.71
5.5.240.0070.05020.30
5.5.230.0030.06320.27
5.5.220.0000.08020.26
5.5.210.0100.07320.28
5.5.200.0030.07720.15
5.5.190.0030.05020.21
5.5.180.0000.04020.10
5.5.160.0070.03320.21
5.5.150.0030.04020.09
5.5.140.0070.04019.95
5.5.130.0030.04020.21
5.5.120.0030.04020.18
5.5.110.0030.03720.14
5.5.100.0030.03719.95
5.5.90.0000.04019.98
5.5.80.0000.04020.14
5.5.70.0030.04720.06
5.5.60.0000.04719.94
5.5.50.0000.04020.15
5.5.40.0000.04019.96
5.5.30.0030.03719.94
5.5.20.0000.04020.11
5.5.10.0030.03720.11
5.5.00.0000.04019.98
5.4.450.0070.08319.55
5.4.440.0000.06719.14
5.4.430.0070.07719.30
5.4.420.0100.06719.38
5.4.410.0070.07319.24
5.4.400.0000.08019.19
5.4.390.0070.07719.13
5.4.380.0030.06019.09
5.4.370.0030.07018.81
5.4.360.0100.06718.98
5.4.350.0030.03719.03
5.4.340.0000.04018.96
5.4.320.0070.03718.98
5.4.310.0000.04019.11
5.4.300.0000.03719.03
5.4.290.0000.03718.81
5.4.280.0030.03719.02
5.4.270.0000.03718.94
5.4.260.0070.03318.92
5.4.250.0030.04319.11
5.4.240.0000.03719.02
5.4.230.0070.03719.09
5.4.220.0130.03019.08
5.4.210.0000.03719.12
5.4.200.0070.03319.05
5.4.190.0000.03719.01
5.4.180.0030.03719.09
5.4.170.0000.04019.02
5.4.160.0000.03718.95
5.4.150.0000.04019.00
5.4.140.0000.03016.40
5.4.130.0030.03716.28
5.4.120.0000.03716.32
5.4.110.0000.03716.26
5.4.100.0000.03716.30
5.4.90.0030.02716.24
5.4.80.0000.03716.41
5.4.70.0000.03716.31
5.4.60.0030.03316.23
5.4.50.0030.04716.31
5.4.40.0070.03016.37
5.4.30.0030.03016.17
5.4.20.0000.03716.26
5.4.10.0030.03716.26
5.4.00.0000.04015.82
5.3.290.0100.03014.60
5.3.280.0000.06014.57
5.3.270.0000.05314.45
5.3.260.0070.05714.58
5.3.250.0000.04714.46
5.3.240.0000.07014.43
5.3.230.0030.03714.55
5.3.220.0030.03314.50
5.3.210.0000.04014.55
5.3.200.0030.05014.52
5.3.190.0030.07314.51
5.3.180.0030.03014.47
5.3.170.0030.03314.55
5.3.160.0030.03314.41
5.3.150.0000.04014.50
5.3.140.0000.03714.53
5.3.130.0000.04014.42
5.3.120.0070.03714.54
5.3.110.0030.03714.45
5.3.100.0030.03313.89
5.3.90.0000.03713.98
5.3.80.0000.03713.95
5.3.70.0030.03314.00
5.3.60.0030.04713.85
5.3.50.0070.06013.93
5.3.40.0000.03713.71
5.3.30.0000.03713.77
5.3.20.0070.03713.62
5.3.10.0030.07313.42
5.3.00.0030.05313.65
5.2.170.0030.05012.17
5.2.160.0030.03312.17
5.2.150.0000.03012.17
5.2.140.0030.04012.17
5.2.130.0030.05312.17
5.2.120.0070.05712.17
5.2.110.0000.06012.17
5.2.100.0000.06312.17
5.2.90.0030.05312.17
5.2.80.0030.04312.17
5.2.70.0030.05712.17
5.2.60.0030.05712.17
5.2.50.0000.06312.17
5.2.40.0170.04712.17
5.2.30.0030.06312.17
5.2.20.0000.06012.17
5.2.10.0030.05012.17
5.2.00.0070.05012.17
5.1.60.0000.05712.17
5.1.50.0070.04712.17
5.1.40.0030.04712.17
5.1.30.0030.05712.17
5.1.20.0100.05012.17
5.1.10.0000.06012.17
5.1.00.0000.04012.17
5.0.50.0000.04712.17
5.0.40.0000.04712.17
5.0.30.0000.07012.17
5.0.20.0030.04312.17
5.0.10.0030.04312.17
5.0.00.0070.06312.17
4.4.90.0000.03012.17
4.4.80.0000.02312.17
4.4.70.0030.03312.17
4.4.60.0000.03712.17
4.4.50.0030.02012.17
4.4.40.0030.05312.17
4.4.30.0000.03312.17
4.4.20.0000.03312.17
4.4.10.0000.02712.17
4.4.00.0100.05012.17
4.3.110.0070.02712.17
4.3.100.0000.03312.17
4.3.90.0070.02312.17
4.3.80.0000.03312.17
4.3.70.0030.02712.17
4.3.60.0000.03712.17
4.3.50.0070.02712.17
4.3.40.0030.04012.17
4.3.30.0070.03012.17
4.3.20.0000.03712.17
4.3.10.0000.02712.17
4.3.00.0030.03312.17

preferences:
42.5 ms | 401 KiB | 5 Q