3v4l.org

run code in 300+ PHP versions simultaneously
<?php global $aHash; $i = 0; $tmp = ''; while($i < 10000) { $tmp .= 'a'; ++$i; } $aHash = array_fill(100000000000000000000000, 100, $tmp); unset($i, $tmp); // Test Source function Test2_1() { global $aHash; /* The Test */ $t = microtime(true); reset($aHash); foreach($aHash as $key=>$val) $aHash[$key] .= "a"; return (microtime(true) - $t); } // Variable Clean-up function Test2_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)
7.4.00.0100.01014.80
7.3.120.0110.00714.80
7.3.110.0030.01314.82
7.3.100.0040.01114.93
7.3.90.0070.00714.72
7.3.80.0090.00315.04
7.3.70.0090.00014.82
7.3.60.0000.01415.01
7.3.50.0070.00715.05
7.3.40.0040.00915.03
7.3.30.0060.01015.07
7.3.20.0030.00716.66
7.3.10.0120.01216.46
7.3.00.0070.00616.35
7.2.250.0030.00915.06
7.2.240.0080.00815.00
7.2.230.0090.00915.05
7.2.220.0040.00715.27
7.2.210.0080.00415.27
7.2.200.0090.00615.02
7.2.190.0090.00614.98
7.2.180.0030.00914.99
7.2.170.0100.00315.13
7.2.130.0120.00416.54
7.2.120.0130.00316.42
7.2.110.0060.00716.63
7.2.100.0110.00516.47
7.2.90.0050.00816.62
7.2.80.0060.00916.64
7.2.70.0050.00916.70
7.2.60.0070.00716.68
7.2.50.0050.00916.94
7.2.40.0080.00516.69
7.2.30.0090.01016.84
7.2.20.0120.00616.92
7.2.10.0080.01016.74
7.2.00.0080.00417.56
7.1.330.0000.01615.72
7.1.320.0030.01315.75
7.1.310.0060.00915.72
7.1.300.0090.00615.78
7.1.290.0080.00315.89
7.1.280.0060.00915.65
7.1.270.0060.00315.51
7.1.260.0040.00715.75
7.1.250.0120.00315.59
7.1.70.0050.00517.30
7.1.60.0130.00919.33
7.1.50.0040.01916.89
7.1.00.0000.08022.48
7.0.200.0000.00816.55
7.0.140.0000.07322.00
7.0.60.0070.03720.10
7.0.50.0030.04317.85
7.0.40.0070.08720.11
7.0.30.0200.04720.23
7.0.20.0130.04320.09
7.0.10.0070.08320.07
7.0.00.0100.08720.07
5.6.280.0000.07720.98
5.6.210.0130.06320.89
5.6.200.0070.08318.35
5.6.190.0030.06020.39
5.6.180.0300.07320.52
5.6.170.0400.06720.61
5.6.160.0130.08320.54
5.6.150.0030.08718.24
5.6.140.0030.04018.31
5.6.130.0070.08718.33
5.6.120.0000.09021.24
5.6.110.0070.06321.08
5.6.100.0200.06321.32
5.6.90.0030.05721.09
5.6.80.0000.08720.59
5.6.70.4100.03320.60
5.5.350.0170.05720.62
5.5.340.0100.07718.08
5.5.330.0130.06720.34
5.5.320.0300.03720.33
5.5.310.0330.08020.30
5.5.300.0000.04318.16
5.5.290.0100.04318.11
5.5.280.0000.09020.89
5.5.270.0100.07020.98
5.5.260.0070.04021.00
5.5.250.0070.03720.73
5.5.240.0270.04020.49
5.4.450.0200.05319.46
5.4.440.0230.05019.58
5.4.430.0200.06319.19
5.4.420.0670.00019.48
5.4.410.0100.06718.98
5.4.400.0130.06018.82
5.4.390.0270.04718.79
5.4.380.0230.05318.74
5.4.370.0030.04018.62
5.4.360.0030.06018.81
5.4.350.0060.03312.04
5.4.340.0030.04812.04
5.4.320.0060.04812.53
5.4.310.0050.04212.52
5.4.300.0080.03512.52
5.4.290.0080.03712.52
5.4.280.0060.04012.39
5.4.270.0050.04312.39
5.4.260.0060.05512.39
5.4.250.0100.05212.39
5.4.240.0080.04012.39
5.4.230.0050.05212.38
5.4.220.0070.03912.38
5.4.210.0090.03412.38
5.4.200.0060.04212.38
5.4.190.0100.03412.38
5.4.180.0060.03912.38
5.4.170.0070.03712.39
5.4.160.0080.03612.38
5.4.150.0070.03812.38
5.4.140.0100.05512.06
5.4.130.0070.04112.05
5.4.120.0090.04212.01
5.4.110.0120.09112.00
5.4.100.0190.08012.01
5.4.90.0100.06212.01
5.4.80.0070.07612.00
5.4.70.0240.04412.00
5.4.60.0130.05312.00
5.4.50.0090.06712.00
5.4.40.0070.05111.99
5.4.30.0090.04011.98
5.4.20.0130.06211.99
5.4.10.0110.05311.98
5.4.00.0100.05011.48
5.3.290.0070.04512.80
5.3.280.0110.03612.71
5.3.270.0090.04212.72
5.3.260.0110.05512.72
5.3.250.0250.08312.72
5.3.240.0090.07812.72
5.3.230.0140.06012.71
5.3.220.0110.04112.68
5.3.210.0080.04512.68
5.3.200.0090.04712.68
5.3.190.0150.05912.68
5.3.180.0090.04612.68
5.3.170.0120.04512.67
5.3.160.0180.07012.68
5.3.150.0130.05212.68
5.3.140.0080.06112.66
5.3.130.0090.06412.66
5.3.120.0190.07912.66
5.3.110.0130.08212.66
5.3.100.0160.06912.12
5.3.90.0120.05412.10
5.3.80.0100.05612.09
5.3.70.0110.05212.09
5.3.60.0100.06912.07
5.3.50.0200.08712.02
5.3.40.0200.06712.02
5.3.30.0080.04111.98
5.3.20.0070.03911.77
5.3.10.0190.06511.72
5.3.00.0090.03811.72
5.2.170.0080.0399.21
5.2.160.0110.0329.21
5.2.150.0130.0579.21
5.2.140.0150.0409.21
5.2.130.0090.0319.17
5.2.120.0070.0519.17
5.2.110.0050.0469.18
5.2.100.0120.0519.18
5.2.90.0100.0489.18
5.2.80.0060.0429.18
5.2.70.0060.0449.17
5.2.60.0060.0409.13
5.2.50.0050.0329.10
5.2.40.0120.0359.06
5.2.30.0130.0349.05
5.2.20.0150.0309.04
5.2.10.0090.0288.95
5.2.00.0040.0338.81
5.1.60.0040.0398.09
5.1.50.0060.0298.09
5.1.40.0060.0278.08
5.1.30.0050.0298.42
5.1.20.0030.0328.45
5.1.10.0050.0288.16
5.1.00.0040.0288.17
5.0.50.0050.0226.64
5.0.40.0050.0226.51
5.0.30.0020.0376.32
5.0.20.0020.0256.30
5.0.10.0070.0456.28
5.0.00.0050.0376.27
4.4.90.0050.0374.77
4.4.80.0040.0204.75
4.4.70.0020.0214.76
4.4.60.0070.0174.76
4.4.50.0060.0174.77
4.4.40.0070.0324.71
4.4.30.0070.0224.76
4.4.20.0090.0264.85
4.4.10.0090.0414.85
4.4.00.0070.0404.76
4.3.110.0100.0384.67
4.3.100.0050.0294.66
4.3.90.0040.0274.63
4.3.80.0060.0364.58
4.3.70.0050.0264.63
4.3.60.0100.0324.62
4.3.50.0040.0314.63
4.3.40.0020.0424.54
4.3.30.0060.0383.33
4.3.20.0020.0293.31
4.3.10.0060.0343.27
4.3.00.0030.0236.89

preferences:
45.87 ms | 400 KiB | 5 Q