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 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)
7.3.10.0110.00416.70
7.3.00.0030.00916.64
7.2.130.0080.00816.95
7.2.120.0060.00917.03
7.2.110.0040.01217.01
7.2.100.0000.01416.77
7.2.90.0030.00716.65
7.2.80.0030.01017.09
7.2.70.0070.01017.03
7.2.60.0100.00716.86
7.2.50.0000.00917.01
7.2.40.0050.00516.90
7.2.30.0030.00917.04
7.2.20.0040.01116.80
7.2.10.0060.00917.02
7.2.00.0020.01018.00
7.1.250.0080.00815.63
7.1.240.0080.00815.49
7.1.230.0060.00915.87
7.1.220.0000.01615.99
7.1.210.0030.00915.80
7.1.200.0090.00315.86
7.1.190.0090.00315.76
7.1.180.0100.00315.68
7.1.170.0040.00815.80
7.1.160.0000.01215.87
7.1.150.0040.01115.86
7.1.140.0030.00915.94
7.1.130.0060.00315.89
7.1.120.0080.00415.89
7.1.110.0060.00315.96
7.1.100.0040.00815.92
7.1.90.0120.00315.89
7.1.80.0000.01415.84
7.1.70.0010.00816.65
7.1.60.0020.01617.58
7.1.50.0120.00516.29
7.1.40.0060.00315.81
7.1.30.0030.00615.91
7.1.20.0030.00615.69
7.1.10.0000.01215.77
7.1.00.0080.03819.18
7.0.330.0100.00315.29
7.0.320.0030.00715.06
7.0.310.0070.01015.23
7.0.300.0100.00015.01
7.0.290.0040.01115.17
7.0.280.0070.00714.95
7.0.270.0000.01115.07
7.0.260.0050.00515.55
7.0.250.0080.00615.35
7.0.240.0130.00015.37
7.0.230.0000.00815.61
7.0.220.0000.01415.52
7.0.210.0040.00815.03
7.0.200.0010.00916.15
7.0.190.0060.00615.52
7.0.180.0030.01015.42
7.0.170.0040.01115.12
7.0.160.0060.00615.45
7.0.150.0100.00314.80
7.0.140.0060.03818.74
7.0.130.0000.01415.21
7.0.120.0130.00314.95
7.0.110.0080.00415.09
7.0.100.0000.01415.25
7.0.90.0070.00715.46
7.0.80.0000.01315.32
7.0.70.0070.04518.48
7.0.60.0030.04218.43
7.0.50.0070.04318.91
7.0.40.0130.03316.81
7.0.30.0030.04916.68
7.0.20.0020.04916.64
7.0.10.0020.04016.69
7.0.00.0050.04516.66
5.6.380.0000.01713.98
5.6.370.0000.00814.44
5.6.360.0000.00913.88
5.6.350.0030.01014.34
5.6.340.0030.00614.61
5.6.330.0000.01214.77
5.6.320.0000.01214.69
5.6.310.0080.00814.81
5.6.300.0070.00714.67
5.6.290.0080.00614.64
5.6.280.0050.04217.70
5.6.270.0030.01014.63
5.6.260.0030.01014.42
5.6.250.0000.01414.50
5.6.240.0090.00614.52
5.6.230.0040.01114.34
5.6.220.0020.03917.63
5.6.210.0100.04117.65
5.6.200.0050.04217.65
5.6.190.0070.04317.74
5.6.180.0050.04717.92
5.6.170.0090.03017.73
5.6.160.0100.04217.61
5.6.150.0040.04617.73
5.6.140.0040.03617.61
5.6.130.0070.04017.69
5.6.120.0070.03717.63
5.6.110.0070.02417.83
5.6.100.0050.03517.70
5.6.90.0020.03117.67
5.6.80.0010.04417.32
5.6.70.0070.02517.20
5.6.60.0040.03517.31
5.6.50.0030.04717.48
5.6.40.0080.04117.28
5.6.30.0030.04517.18
5.6.20.0060.03717.46
5.6.10.0080.03817.35
5.6.00.0060.04217.36
5.5.380.0040.00411.39
5.5.370.0060.00311.25
5.5.360.0030.04815.94
5.5.350.0030.03115.66
5.5.340.0050.04015.93
5.5.330.0070.03516.04
5.5.320.0040.04915.79
5.5.310.0050.04315.99
5.5.300.0030.04315.78
5.5.290.0110.04016.02
5.5.280.0020.04615.97
5.5.270.0050.04316.13
5.5.260.0070.02616.11
5.5.250.0030.03815.90
5.5.240.0090.04215.73
5.5.230.0040.02915.69
5.5.220.0020.04415.71
5.5.210.0070.03815.74
5.5.200.0050.02515.62
5.5.190.0030.04515.51
5.5.180.0050.03915.67
5.5.170.0030.00911.11
5.5.160.0050.03115.70
5.5.150.0000.05015.79
5.5.140.0030.04615.69
5.5.130.0050.04115.65
5.5.120.0040.04415.76
5.5.110.0050.02815.74
5.5.100.0030.03315.67
5.5.90.0040.04115.66
5.5.80.0090.03715.55
5.5.70.0050.02615.77
5.5.60.0070.03115.78
5.5.50.0050.03715.75
5.5.40.0050.04315.56
5.5.30.0030.04315.55
5.5.20.0050.04415.52
5.5.10.0020.04515.63
5.5.00.0050.03315.64
5.4.450.0070.04315.41
5.4.440.0050.03715.36
5.4.430.0070.04015.26
5.4.420.0080.03615.32
5.4.410.0060.04215.16
5.4.400.0050.03814.89
5.4.390.0070.03015.09
5.4.380.0050.03915.12
5.4.370.0120.03315.00
5.4.360.0030.03315.04
5.4.350.0050.04015.09
5.4.340.0000.04815.11
5.4.330.0030.00910.98
5.4.320.0000.04215.01
5.4.310.0070.04115.14
5.4.300.0050.03315.00
5.4.290.0050.03514.74
5.4.280.0070.03915.08
5.4.270.0070.04014.90
5.4.260.0050.03614.98
5.4.250.0050.04214.94
5.4.240.0020.02815.00
5.4.230.0050.03015.19
5.4.220.0110.03515.02
5.4.210.0070.03014.92
5.4.200.0100.03815.08
5.4.190.0060.04015.13
5.4.180.0010.04414.89
5.4.170.0070.03915.14
5.4.160.0060.04014.90
5.4.150.0070.03314.89
5.4.140.0060.03813.68
5.4.130.0040.02513.48
5.4.120.0080.03513.74
5.4.110.0030.04013.59
5.4.100.0030.02813.82
5.4.90.0050.04013.77
5.4.80.0090.02713.61
5.4.70.0040.04213.79
5.4.60.0030.03813.64
5.4.50.0080.03513.71
5.4.40.0000.04313.76
5.4.30.0050.02813.58
5.4.20.0030.04313.69
5.4.10.0080.03113.65
5.4.00.0030.02313.46
5.3.290.0050.04212.69
5.3.280.0030.02712.71
5.3.270.0030.04012.70
5.3.260.0050.03512.58
5.3.250.0050.02512.67
5.3.240.0050.04012.66
5.3.230.0020.03812.65
5.3.220.0070.03612.57
5.3.210.0100.03512.59
5.3.200.0030.04112.53
5.3.190.0050.04212.62
5.3.180.0050.03812.60
5.3.170.0030.04412.59
5.3.160.0050.03912.51
5.3.150.0000.03012.67
5.3.140.0030.03312.55
5.3.130.0030.02812.60
5.3.120.0020.03712.51
5.3.110.0060.03812.55
5.3.100.0020.02312.41
5.3.90.0030.03012.26
5.3.80.0010.02412.20
5.3.70.0000.02412.29
5.3.60.0050.02412.19
5.3.50.0040.02112.23
5.3.40.0050.01812.27
5.3.30.0030.02012.27
5.3.20.0050.01812.14
5.3.10.0000.02512.10
5.3.00.0020.03212.02
5.2.170.0040.01711.36
5.2.160.0030.01611.36
5.2.150.0030.02011.36
5.2.140.0020.01911.36
5.2.130.0020.02011.36
5.2.120.0000.01811.36
5.2.110.0020.02111.36
5.2.100.0010.01411.36
5.2.90.0040.01211.36
5.2.80.0020.01711.36
5.2.70.0020.02011.36
5.2.60.0030.01611.36
5.2.50.0000.01711.36
5.2.40.0020.02011.36
5.2.30.0040.01511.36
5.2.20.0050.01211.36
5.2.10.0030.01611.36
5.2.00.0050.01311.36
5.1.60.0050.02211.36
5.1.50.0020.01411.36
5.1.40.0040.02611.36
5.1.30.0020.02211.36
5.1.20.0030.03211.36
5.1.10.0020.02211.36
5.1.00.0020.02111.36
5.0.50.0020.01611.36
5.0.40.0050.01311.36
5.0.30.0030.02211.36
5.0.20.0030.01311.36
5.0.10.0000.01611.36
5.0.00.0000.02311.36
4.4.90.0020.01111.36
4.4.80.0030.01111.36
4.4.70.0020.01211.36
4.4.60.0010.01311.36
4.4.50.0030.01311.36
4.4.40.0030.01711.36
4.4.30.0000.01511.36
4.4.20.0020.01111.36
4.4.10.0000.01511.36
4.4.00.0030.01611.36
4.3.110.0000.01611.36
4.3.100.0000.01711.36
4.3.90.0000.01411.36
4.3.80.0020.01311.36
4.3.70.0010.01311.36
4.3.60.0000.02511.36
4.3.50.0020.00811.36
4.3.40.0020.01611.36
4.3.30.0020.01311.36
4.3.20.0000.01311.36
4.3.10.0010.01111.36
4.3.00.0000.01811.36

preferences:
48.19 ms | 401 KiB | 5 Q