3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 0 => 'string1', 2 => 'string2', 4 => 'string3', 5 => 'string4'); $arrays =$array; print_r($array); $array=array(); $i=0; foreach($arrays as $k => $item) { $array[$i]=$item; unset($arrays[$k]); $i++; } print_r($arrays);

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)
8.3.60.0180.00416.50
8.3.50.0090.00618.31
8.3.40.0070.00718.63
8.3.30.0080.00818.71
8.3.20.0000.00820.15
8.3.10.0080.00023.52
8.3.00.0040.00419.25
8.2.180.0170.00316.63
8.2.170.0150.00322.96
8.2.160.0130.00019.46
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0040.00817.75
8.2.120.0070.00026.35
8.2.110.0040.00421.96
8.2.100.0080.00418.05
8.2.90.0030.00619.21
8.2.80.0040.00417.97
8.2.70.0080.00017.59
8.2.60.0030.00617.93
8.2.50.0000.00818.07
8.2.40.0000.00719.34
8.2.30.0070.00020.63
8.2.20.0000.00917.74
8.2.10.0040.00418.01
8.2.00.0030.00518.13
8.1.280.0070.01025.92
8.1.270.0050.00323.71
8.1.260.0000.00728.09
8.1.250.0070.00028.09
8.1.240.0090.00023.96
8.1.230.0070.00317.76
8.1.220.0000.00917.77
8.1.210.0060.00318.77
8.1.200.0060.00317.25
8.1.190.0030.00617.35
8.1.180.0030.00618.10
8.1.170.0040.00418.66
8.1.160.0000.00722.05
8.1.150.0050.00218.89
8.1.140.0090.00019.58
8.1.130.0040.00417.61
8.1.120.0000.00717.45
8.1.110.0090.00017.45
8.1.100.0070.00017.39
8.1.90.0000.00817.38
8.1.80.0000.00717.47
8.1.70.0030.00317.45
8.1.60.0040.00417.47
8.1.50.0030.00617.47
8.1.40.0050.00317.50
8.1.30.0040.00417.70
8.1.20.0030.00617.61
8.1.10.0040.00417.50
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0030.00316.75
8.0.280.0070.00018.36
8.0.270.0070.00017.26
8.0.260.0000.00717.32
8.0.250.0030.00316.96
8.0.240.0030.00516.92
8.0.230.0040.00416.83
8.0.220.0040.00416.83
8.0.210.0050.00316.89
8.0.200.0030.00516.95
8.0.190.0000.00817.02
8.0.180.0000.00716.92
8.0.170.0040.00416.91
8.0.160.0050.00216.83
8.0.150.0040.00416.87
8.0.140.0000.00716.85
8.0.130.0000.00513.40
8.0.120.0040.00416.89
8.0.110.0030.00516.87
8.0.100.0000.00716.79
8.0.90.0000.00816.91
8.0.80.0090.00616.91
8.0.70.0040.00416.79
8.0.60.0040.00417.01
8.0.50.0030.00316.79
8.0.30.0060.01217.20
8.0.20.0070.01417.40
8.0.10.0000.00717.01
8.0.00.0140.00716.78
7.4.330.0050.00016.69
7.4.320.0030.00316.57
7.4.300.0030.00316.49
7.4.290.0030.00316.39
7.4.280.0000.00716.51
7.4.270.0050.00316.61
7.4.260.0000.00716.48
7.4.250.0050.00316.46
7.4.240.0000.00816.44
7.4.230.0050.00216.71
7.4.220.0160.00916.55
7.4.210.0060.00816.62
7.4.200.0000.00716.31
7.4.160.0090.00616.62
7.4.150.0030.01417.40
7.4.140.0190.00517.86
7.4.130.0130.00316.47
7.4.120.0110.00616.50
7.4.110.0080.00816.32
7.4.100.0170.00516.73
7.4.90.0130.00316.49
7.4.80.0060.01019.39
7.4.70.0080.00816.52
7.4.60.0030.01416.58
7.4.50.0060.00916.59
7.4.40.0080.00816.74
7.4.30.0100.00716.50
7.4.00.0030.00914.89
7.3.330.0090.00013.20
7.3.320.0030.00213.09
7.3.310.0030.00316.17
7.3.300.0070.00016.24
7.3.290.0090.00816.34
7.3.280.0060.01016.33
7.3.270.0060.01217.40
7.3.260.0130.00316.41
7.3.240.0100.01116.56
7.3.230.0090.00616.54
7.3.210.0070.01416.62
7.3.200.0040.01216.53
7.3.190.0100.01116.39
7.3.180.0100.00616.36
7.3.170.0090.00616.32
7.3.160.0160.00416.33
7.2.330.0100.00716.53
7.2.320.0110.00716.36
7.2.310.0030.01416.56
7.2.300.0070.01116.63
7.2.290.0070.01116.75
7.2.60.0090.00416.92
7.2.00.0070.00719.33
7.1.200.0060.00615.85
7.1.100.0090.00318.00
7.1.70.0040.00717.25
7.1.60.0100.01319.48
7.1.50.0040.01916.92
7.1.00.0030.07722.51
7.0.200.0040.00814.61
7.0.60.0070.08319.84
7.0.50.0030.08717.88
7.0.40.0070.06020.05
7.0.30.0200.04720.26
7.0.20.0370.07320.11
7.0.10.0170.07720.10
7.0.00.0070.08320.09
5.6.280.0000.03321.07
5.6.210.0200.04020.60
5.6.200.0070.08018.19
5.6.190.0070.07020.60
5.6.180.0070.06020.41
5.6.170.0270.07720.53
5.6.160.0100.07720.41
5.6.150.0170.07018.23
5.6.140.0030.06718.18
5.6.130.0070.08318.26
5.6.120.0130.04021.14
5.6.110.0030.08721.13
5.6.100.0070.07720.97
5.6.90.0070.09721.03
5.6.80.0130.07320.38
5.5.350.3130.03320.41
5.5.340.0170.07317.91
5.5.330.0030.08720.40
5.5.320.0070.03720.42
5.5.310.0200.04320.26
5.5.300.0070.05318.06
5.5.290.0030.08317.99
5.5.280.0030.05020.74
5.5.270.0170.07720.75
5.5.260.0100.06320.75
5.5.250.0070.08720.69
5.5.240.0270.08020.15

preferences:
59.41 ms | 400 KiB | 5 Q