3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Initial Configuration global $aHash; $i = 0; $tmp = ''; while($i < 10000) { $tmp .= 'a'; ++$i; } $aHash = array_fill(100000000000000000000000, 100, $tmp); unset($i, $tmp); // Test Source function Test1_2() { global $aHash; /* The Test */ $t = microtime(true); reset($aHash); while(list(,$val) = each($aHash)); return (microtime(true) - $t); } // Variable Clean-up function 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)
7.4.00.0060.01214.83
7.3.120.0070.01014.96
7.3.110.0090.00414.82
7.3.100.0040.01514.93
7.3.90.0070.01014.97
7.3.80.0000.01414.85
7.3.70.0060.01014.97
7.3.60.0060.00914.80
7.3.50.0100.00314.96
7.3.40.0080.00814.85
7.3.30.0090.00914.77
7.3.20.0040.00416.54
7.3.10.0040.01416.41
7.3.00.0000.01416.67
7.2.250.0030.01615.27
7.2.240.0000.01915.04
7.2.230.0100.00715.26
7.2.220.0080.00815.23
7.2.210.0000.02315.05
7.2.200.0030.01615.13
7.2.190.0050.01115.34
7.2.180.0000.01515.16
7.2.170.0040.01115.05
7.2.160.0000.01414.94
7.2.150.0040.00416.46
7.2.140.0080.00816.91
7.2.130.0040.01116.81
7.2.120.0060.00616.99
7.2.110.0080.00816.84
7.2.100.0080.00617.05
7.2.90.0100.00716.78
7.2.80.0070.01016.98
7.2.70.0080.00416.99
7.2.60.0080.00316.67
7.2.50.0080.00816.67
7.2.40.0090.00616.77
7.2.30.0040.01117.00
7.2.20.0040.01116.79
7.2.10.0040.00816.79
7.2.00.0050.01018.21
7.1.330.0070.01015.88
7.1.320.0070.00415.73
7.1.310.0060.00616.04
7.1.300.0100.00315.72
7.1.290.0090.00315.90
7.1.280.0090.00915.84
7.1.270.0030.00615.60
7.1.260.0100.00615.73
7.1.250.0040.00716.04
7.1.240.0030.01015.70
7.1.230.0030.01015.93
7.1.220.0070.00715.54
7.1.210.0040.01115.84
7.1.200.0040.01216.01
7.1.190.0090.00615.79
7.1.180.0060.00915.75
7.1.170.0030.01015.77
7.1.160.0040.00715.82
7.1.150.0060.00915.66
7.1.140.0060.01015.55
7.1.130.0110.00315.76
7.1.120.0060.00915.74
7.1.110.0060.00615.76
7.1.100.0040.00715.93
7.1.90.0030.01015.72
7.1.80.0040.00415.78
7.1.70.0010.00816.51
7.1.60.0070.00917.60
7.1.50.0070.00816.37
7.1.40.0000.01215.84
7.1.30.0070.00715.83
7.1.20.0070.00415.78
7.1.10.0040.01115.96
7.1.00.0050.04019.06
7.0.330.0080.00415.45
7.0.320.0000.01215.36
7.0.310.0000.01315.35
7.0.300.0030.01015.24
7.0.290.0080.00515.18
7.0.280.0040.00415.46
7.0.270.0030.01015.43
7.0.260.0060.00915.45
7.0.250.0030.00615.24
7.0.240.0030.00615.17
7.0.230.0060.00615.30
7.0.220.0080.00615.58
7.0.210.0000.01215.32
7.0.200.0270.00815.22
7.0.190.0000.01815.58
7.0.180.0060.00315.47
7.0.170.0070.00715.45
7.0.160.0080.00615.48
7.0.150.0070.00715.18
7.0.140.0080.03718.76
7.0.130.0060.00315.52
7.0.120.0030.00915.47
7.0.110.0030.00915.51
7.0.100.0060.00915.40
7.0.90.0040.01115.34
7.0.80.0040.00715.69
7.0.70.0090.00015.38
7.0.60.0080.02717.65
7.0.50.0080.03316.74
7.0.40.0070.03016.75
7.0.30.0180.02816.92
7.0.20.0200.03716.90
7.0.10.0050.02816.89
7.0.00.0050.04616.82
5.6.400.0070.01014.06
5.6.390.0070.00414.59
5.6.380.0040.00914.75
5.6.370.0000.01314.52
5.6.360.0090.00614.12
5.6.350.0040.01114.63
5.6.340.0080.00814.32
5.6.330.0000.00914.16
5.6.320.0040.01114.42
5.6.310.0070.01014.55
5.6.300.0000.01014.16
5.6.290.0040.01114.20
5.6.280.0100.03517.56
5.6.270.0040.00814.27
5.6.260.0060.00314.38
5.6.250.0070.00414.54
5.6.240.0030.01314.36
5.6.230.0100.00014.43
5.6.220.0090.00614.73
5.6.210.0080.04517.55
5.6.200.0100.02016.37
5.6.190.0050.02617.46
5.6.180.0230.03517.39
5.6.170.0150.02817.50
5.6.160.0140.03817.61
5.6.150.0100.04016.36
5.6.140.0050.03216.38
5.6.130.0070.02816.37
5.6.120.0050.02317.68
5.6.110.0020.04917.73
5.6.100.0100.03117.86
5.6.90.0180.03017.55
5.6.80.0070.02917.37
5.6.70.0030.01014.33
5.6.60.0000.00914.58
5.6.50.0060.00914.30
5.6.40.0040.01114.35
5.6.30.0100.00014.42
5.6.20.0040.01114.27
5.6.10.0040.01214.54
5.6.00.0040.01114.23
5.5.380.0060.00914.08
5.5.370.0030.00814.28
5.5.360.0090.00614.77
5.5.350.0120.03817.42
5.5.340.0090.02716.40
5.5.330.0090.04017.23
5.5.320.0180.04417.29
5.5.310.0100.04817.19
5.5.300.0100.02516.18
5.5.290.0040.03916.17
5.5.280.0070.04817.58
5.5.270.0050.05117.49
5.5.260.0100.03817.71
5.5.250.0050.02517.54
5.5.240.0170.04217.42
5.5.230.0100.00314.18
5.5.220.0090.00614.33
5.5.210.0090.00614.59
5.5.200.0030.00914.65
5.5.190.0030.01214.31
5.5.180.0070.00314.30
5.5.170.0060.01214.26
5.5.160.0070.01014.48
5.5.150.0000.01314.45
5.5.140.0030.01014.20
5.5.130.0070.01014.43
5.5.120.0030.00714.37
5.5.110.0060.01214.35
5.5.100.0060.00914.13
5.5.90.0050.00514.43
5.5.80.0000.01514.35
5.5.70.0060.00913.90
5.5.60.0090.00014.46
5.5.50.0000.01414.23
5.5.40.0000.01014.57
5.5.30.0030.00914.34
5.5.20.0030.01314.47
5.5.10.0070.00714.09
5.5.00.0070.00414.25
5.4.450.0270.03515.41
5.4.440.0400.03215.27
5.4.430.0430.03115.38
5.4.420.0370.00515.37
5.4.410.0350.00215.27
5.4.400.0320.00415.15
5.4.390.0370.00215.21
5.4.380.0360.00115.24
5.4.370.0340.00215.21
5.4.360.0360.00215.15
5.4.350.0330.00415.19
5.4.340.0050.02111.63
5.4.330.0030.01011.21
5.4.320.0030.02411.87
5.4.310.0060.02311.87
5.4.300.0040.02311.87
5.4.290.0070.02211.87
5.4.280.0050.02011.82
5.4.270.0060.02011.82
5.4.260.0060.02311.81
5.4.250.0030.02411.82
5.4.240.0050.02211.81
5.4.230.0040.02611.89
5.4.220.0060.02911.85
5.4.210.0050.02311.81
5.4.200.0070.02511.81
5.4.190.0080.03811.81
5.4.180.0080.03211.81
5.4.170.0020.02611.81
5.4.160.0060.02011.81
5.4.150.0070.02111.81
5.4.140.0030.02711.65
5.4.130.0060.02011.65
5.4.120.0070.01811.63
5.4.110.0020.02711.62
5.4.100.0050.02511.62
5.4.90.0050.03311.63
5.4.80.0100.02611.62
5.4.70.0030.02711.65
5.4.60.0070.01911.62
5.4.50.0060.02311.62
5.4.40.0050.02311.61
5.4.30.0040.02211.62
5.4.20.0040.02511.61
5.4.10.0030.02511.62
5.4.00.0040.02311.36
5.3.290.0130.03712.80
5.3.280.0040.04112.71
5.3.270.0080.03712.73
5.3.260.0050.04412.71
5.3.250.0070.04712.72
5.3.240.0050.03912.72
5.3.230.0050.03912.71
5.3.220.0070.03612.68
5.3.210.0050.04012.68
5.3.200.0080.03912.68
5.3.190.0060.04412.68
5.3.180.0110.04712.68
5.3.170.0050.04112.67
5.3.160.0050.03912.68
5.3.150.0070.03812.68
5.3.140.0080.03712.66
5.3.130.0100.04012.66
5.3.120.0070.04112.66
5.3.110.0060.04212.66
5.3.100.0100.03412.13
5.3.90.0060.03712.12
5.3.80.0040.03912.11
5.3.70.0060.03612.11
5.3.60.0060.03712.10
5.3.50.0050.03812.05
5.3.40.0090.04112.05
5.3.30.0100.03312.00
5.3.20.0050.03911.79
5.3.10.0050.03511.75
5.3.00.0070.03511.73
5.2.170.0050.0379.24
5.2.160.0060.0299.24
5.2.150.0060.0349.24
5.2.140.0050.0449.23
5.2.130.0080.0469.20
5.2.120.0030.0329.20
5.2.110.0040.0419.20
5.2.100.0110.0369.20
5.2.90.0020.0379.20
5.2.80.0060.0329.20
5.2.70.0080.0289.20
5.2.60.0090.0269.15
5.2.50.0030.0339.12
5.2.40.0060.0279.10
5.2.30.0070.0319.07
5.2.20.0050.0299.06
5.2.10.0070.0258.96
5.2.00.0040.0298.83
5.1.60.0050.0268.11
5.1.50.0040.0278.10
5.1.40.0030.0268.09
5.1.30.0040.0278.44
5.1.20.0030.0298.46
5.1.10.0050.0258.18
5.1.00.0050.0268.18
5.0.50.0030.0246.66
5.0.40.0040.0216.52
5.0.30.0040.0336.33
5.0.20.0040.0216.33
5.0.10.0050.0206.30
5.0.00.0040.0326.30
4.4.90.0030.0164.78
4.4.80.0020.0174.76
4.4.70.0020.0184.75
4.4.60.0030.0174.75
4.4.50.0060.0144.77
4.4.40.0000.0294.71
4.4.30.0060.0144.76
4.4.20.0030.0174.85
4.4.10.0040.0154.85
4.4.00.0030.0264.76
4.3.110.0040.0164.67
4.3.100.0040.0164.66
4.3.90.0040.0154.63
4.3.80.0020.0274.59
4.3.70.0030.0164.63
4.3.60.0020.0174.63
4.3.50.0010.0194.63
4.3.40.0030.0254.54
4.3.30.0040.0163.36
4.3.20.0020.0183.33
4.3.10.0030.0163.29
4.3.00.0130.0237.34

preferences:
38.2 ms | 400 KiB | 5 Q