3v4l.org

run code in 300+ PHP versions simultaneously
<?php// Initial Configurationglobal $aHash;$i   = 0;$tmp = '';while($i < 10000) {  $tmp .= 'a';  ++$i;}$aHash = array_fill(100000000000000000000000, 100, $tmp);unset($i, $tmp);// Test Sourcefunction Test1_2() {    global $aHash;    /* The Test */    $t = microtime(true);    reset($aHash);    while(list(,$val) = each($aHash));    return (microtime(true) - $t);}// Variable Clean-upfunction Test1_End() {    global $aHash;    unset($aHash);}

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)
8.3.60.0070.00718.43
8.3.50.0140.00521.00
8.3.40.0070.00718.67
8.3.30.0070.01318.88
8.3.20.0040.00420.05
8.3.10.0000.00821.73
8.3.00.0090.00017.25
8.2.180.0070.00716.50
8.2.170.0060.00822.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0070.00022.06
8.2.110.0160.00622.24
8.2.100.0040.00817.50
8.2.90.0050.00319.05
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0090.00017.78
8.2.50.0090.00018.07
8.2.40.0090.00018.09
8.2.30.0040.00417.92
8.2.20.0040.00417.45
8.2.10.0040.00417.80
8.2.00.0050.00217.48
8.1.280.0150.00025.92
8.1.270.0070.00023.91
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.88
8.1.230.0110.00017.70
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0060.00317.10
8.1.190.0030.00517.10
8.1.180.0050.00218.10
8.1.170.0000.00818.50
8.1.160.0070.00021.92
8.1.150.0000.00718.80
8.1.140.0040.00417.18
8.1.130.0030.00317.68
8.1.120.0000.00817.33
8.1.110.0040.00417.27
8.1.100.0000.00817.22
8.1.90.0040.00417.29
8.1.80.0000.00817.34
8.1.70.0000.00717.23
8.1.60.0000.00917.48
8.1.50.0030.00517.34
8.1.40.0040.00417.25
8.1.30.0000.00817.52
8.1.20.0000.00817.38
8.1.10.0000.00717.48
8.1.00.0040.00417.32
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0000.00818.37
8.0.270.0000.00717.16
8.0.260.0000.00617.18
8.0.250.0030.00316.75
8.0.240.0030.00316.70
8.0.230.0000.00716.77
8.0.220.0000.01116.72
8.0.210.0030.00316.77
8.0.200.0030.00316.69
8.0.190.0030.00316.72
8.0.180.0030.00516.73
8.0.170.0080.00016.70
8.0.160.0030.00316.77
8.0.150.0030.00316.69
8.0.140.0000.00816.59
8.0.130.0050.00013.36
8.0.120.0040.00416.71
8.0.110.0000.00716.72
8.0.100.0000.00816.56
8.0.90.0020.00516.63
8.0.80.0120.00916.67
8.0.70.0070.00016.55
8.0.60.0030.00416.69
8.0.50.0070.00016.70
8.0.30.0170.00617.00
8.0.20.0130.00517.40
8.0.10.0040.00416.88
8.0.00.0080.00816.59
7.4.330.0000.00415.00
7.4.320.0030.00316.35
7.4.300.0030.00316.46
7.4.290.0000.00716.41
7.4.280.0090.00216.36
7.4.270.0070.00016.31
7.4.260.0030.00316.24
7.4.250.0000.00816.34
7.4.240.0040.00416.45
7.4.230.0070.00016.54
7.4.220.0110.00716.41
7.4.210.0120.00416.39
7.4.200.0030.00316.49
7.4.160.0060.00916.44
7.4.150.0130.00617.40
7.4.140.0110.00617.86
7.4.130.0080.00816.36
7.4.120.0110.00616.30
7.4.110.0150.00716.33
7.4.100.0140.00316.36
7.4.90.0070.01016.34
7.4.80.0160.00319.39
7.4.70.0090.00616.30
7.4.60.0130.00316.36
7.4.50.0040.00016.01
7.4.40.0080.00816.28
7.4.30.0080.00816.35
7.3.330.0060.00012.91
7.3.320.0030.00313.02
7.3.310.0000.00716.22
7.3.300.0050.00215.98
7.3.290.0070.00716.03
7.3.280.0080.00916.15
7.3.270.0140.00417.40
7.3.260.0090.00916.27
7.3.250.0090.00916.32
7.3.240.0110.01316.13
7.3.230.0060.01016.39
7.3.210.0150.00616.55
7.3.200.0160.00619.39
7.3.190.0100.01316.36
7.3.180.0060.00916.63
7.3.170.0070.01016.30
7.3.160.0100.01016.16
7.2.330.0120.00916.52
7.2.320.0070.01116.28
7.2.310.0030.01416.38
7.2.300.0090.00916.39
7.2.290.0130.00616.71
5.4.340.0080.03811.98
5.4.320.0080.03512.45
5.4.310.0110.04912.45
5.4.300.0030.04012.45
5.4.290.0050.03912.45
5.4.280.0050.03612.34
5.4.270.0040.03812.34
5.4.260.0070.03612.35
5.4.250.0050.03812.35
5.4.240.0040.03712.34
5.4.230.0090.03512.34
5.4.220.0030.03912.34
5.4.210.0040.03712.34
5.4.200.0060.03712.34
5.4.190.0030.03812.33
5.4.180.0090.03312.33
5.4.170.0050.03712.35
5.4.160.0040.04012.34
5.4.150.0050.03612.34
5.4.140.0080.03412.02
5.4.130.0090.03912.01
5.4.120.0070.03411.97
5.4.110.0050.03711.96
5.4.100.0060.04011.96
5.4.90.0060.05311.96
5.4.80.0060.04711.96
5.4.70.0020.03911.96
5.4.60.0100.03211.96
5.4.50.0090.04911.96
5.4.40.0100.04511.95
5.4.30.0100.04211.94
5.4.20.0080.03411.95
5.4.10.0060.03511.95
5.4.00.0050.03811.44

preferences:
45.05 ms | 401 KiB | 5 Q