3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = base64_encode(md5('')); $start = microtime(true); for ($i = 0; $i < 100; ++$i) { $soFar = ''; $callback = function ($value) use (&$soFar) { return $soFar .= $value; }; $result = array_map($callback, str_split($value)); } $end = microtime(true); echo $i/($end - $start), ' op/s'; var_dump($result);

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)
7.4.10.0060.01314.95
7.4.00.0090.01215.13
7.3.130.0070.01414.73
7.3.120.0090.00915.00
7.3.110.0070.01314.88
7.3.100.0000.01615.14
7.3.90.0070.00315.05
7.3.80.0100.00714.71
7.3.70.0000.01814.60
7.3.60.0070.00714.48
7.3.50.0030.01014.89
7.3.40.0050.00514.93
7.3.30.0060.01014.99
7.3.20.0000.01116.79
7.3.10.0040.00916.47
7.3.00.0000.01516.80
7.2.260.0060.01315.16
7.2.250.0090.00914.92
7.2.240.0120.00415.13
7.2.230.0030.01015.15
7.2.220.0000.01914.95
7.2.210.0140.00314.78
7.2.200.0060.01215.13
7.2.190.0060.00914.73
7.2.180.0090.00915.13
7.2.170.0060.00615.11
7.2.160.0090.00614.88
7.2.150.0100.00716.67
7.2.140.0070.01017.18
7.2.130.0070.00816.68
7.2.120.0100.00716.92
7.2.110.0130.00316.80
7.2.100.0060.00916.81
7.2.90.0070.01316.90
7.2.80.0030.01916.64
7.2.70.0090.00916.86
7.2.60.0030.01016.96
7.2.50.0030.01616.86
7.2.40.0000.01516.98
7.2.30.0040.01216.96
7.2.20.0060.01016.85
7.2.10.0060.01016.68
7.2.00.0030.01217.84
7.1.330.0070.01016.02
7.1.320.0060.01015.95
7.1.310.0030.01015.47
7.1.300.0040.01515.66
7.1.290.0040.00815.71
7.1.280.0070.00715.84
7.1.270.0100.00615.89
7.1.260.0060.01015.91
7.1.250.0100.00015.98
7.1.240.0130.00315.83
7.1.230.0090.00615.88
7.1.220.0040.01215.74
7.1.210.0000.01515.73
7.1.200.0070.01115.71
7.1.190.0030.00915.87
7.1.180.0070.01015.71
7.1.170.0040.01415.59
7.1.160.0100.00315.69
7.1.150.0030.01015.96
7.1.140.0070.01015.79
7.1.130.0120.00315.92
7.1.120.0130.00615.81
7.1.110.0060.00915.69
7.1.100.0000.01815.68
7.1.90.0000.01515.82
7.1.80.0030.01615.63
7.1.70.0040.00716.45
7.1.60.0030.01617.74
7.1.50.0070.01016.57
7.1.40.0050.00515.75
7.1.30.0060.00915.79
7.1.20.0000.01415.53
7.1.10.0030.01315.68
7.1.00.0030.04319.23
7.0.330.0030.01215.36
7.0.320.0070.00715.48
7.0.310.0100.00715.17
7.0.300.0100.00715.41
7.0.290.0090.00915.53
7.0.280.0070.00715.67
7.0.270.0110.00415.26
7.0.260.0060.01315.42
7.0.250.0090.00915.51
7.0.240.0000.01615.29
7.0.230.0030.00915.52
7.0.220.0100.00715.29
7.0.210.0000.01615.47
7.0.200.0040.00816.26
7.0.190.0030.01315.25
7.0.180.0030.01215.45
7.0.170.0070.01015.63
7.0.160.0030.01415.60
7.0.150.0000.01615.25
7.0.140.0070.04018.75
7.0.130.0070.00715.26
7.0.120.0040.01115.29
7.0.110.0000.01415.45
7.0.100.0060.00615.59
7.0.90.0030.01015.60
7.0.80.0040.01115.40
7.0.70.0080.00815.51
7.0.60.0060.02517.47
7.0.50.0070.03016.75
7.0.40.0050.04216.69
7.0.30.0230.03816.72
7.0.20.0120.04916.87
7.0.10.0130.02516.87
7.0.00.0030.02916.85
5.6.400.0030.01314.59
5.6.390.0100.01014.52
5.6.380.0030.01714.41
5.6.370.0060.01014.48
5.6.360.0040.01414.07
5.6.350.0000.01414.60
5.6.340.0030.01414.36
5.6.330.0000.01514.32
5.6.320.0040.00814.44
5.6.310.0100.00614.53
5.6.300.0070.01014.69
5.6.290.0100.00714.62
5.6.280.0050.05217.52
5.6.270.0130.00614.60
5.6.260.0100.00314.41
5.6.250.0060.01214.58
5.6.240.0060.00914.10
5.6.230.0060.00514.15
5.6.220.0030.01414.36
5.6.210.0050.03517.51
5.6.200.0090.04216.33
5.6.190.0100.04817.43
5.6.180.2050.02817.45
5.6.170.0260.03817.47
5.6.160.0070.03817.57
5.6.150.0050.03716.28
5.6.140.0060.03116.36
5.6.130.0030.02916.23
5.6.120.0110.02517.77
5.6.110.0080.04217.73
5.6.100.0080.02317.79
5.6.90.0100.04117.74
5.6.80.0070.04617.40
5.6.70.0070.01114.36
5.6.60.0070.00714.57
5.6.50.0000.01814.54
5.6.40.0070.01014.46
5.6.30.0040.01114.21
5.6.20.0030.01014.27
5.6.10.0040.00714.16
5.6.00.0030.01714.43
5.5.380.0030.01214.43
5.5.370.0030.01814.32
5.5.360.0070.00714.21
5.5.350.0070.02317.26
5.5.340.0120.04316.23
5.5.330.0050.03317.28
5.5.320.0130.02817.32
5.5.310.0270.03517.31
5.5.300.0070.04616.00
5.5.290.0050.04516.05
5.5.280.0080.02317.60
5.5.270.0020.04017.72
5.5.260.0080.03717.59
5.5.250.0030.03717.41
5.5.240.0050.05017.28
5.5.230.0090.00914.42
5.5.220.0040.01114.17
5.5.210.0080.00814.36
5.5.200.0110.00714.09
5.5.190.0000.01614.40
5.5.180.0040.00914.34
5.5.170.0040.00714.35
5.5.160.0060.00914.34
5.5.150.0070.00814.20
5.5.140.0030.01214.36
5.5.130.0070.01014.42
5.5.120.0060.01313.90
5.5.110.0120.00314.47
5.5.100.0030.01414.37
5.5.90.0100.00714.25
5.5.80.0120.00614.39
5.5.70.0110.00314.34
5.5.60.0070.01314.33
5.5.50.0000.01114.45
5.5.40.0130.00714.25
5.5.30.0060.00914.20
5.5.20.0030.01314.16
5.5.10.0130.00314.27
5.5.00.0000.01714.16
5.4.450.0100.03315.19
5.4.440.0290.03615.41
5.4.430.0080.03315.41
5.4.420.0070.03615.47
5.4.410.0100.03215.23
5.4.400.0420.00514.96
5.4.390.0350.00714.86
5.4.380.0490.02914.82
5.4.370.0210.02314.84
5.4.360.0130.04014.95
5.4.350.0180.03114.88
5.4.340.0120.03414.86
5.4.330.0000.01111.13
5.4.320.0070.02211.67
5.4.310.0080.02211.80
5.4.300.0050.02411.86
5.4.290.0060.02711.80
5.4.280.0070.02411.75
5.4.270.0060.02511.67
5.4.260.0080.04314.79
5.4.250.0110.04015.11
5.4.240.0060.04315.10
5.4.230.0070.03215.07
5.4.220.0050.03314.96
5.4.210.0020.03614.91
5.4.200.0070.03214.88
5.4.190.0050.03114.73
5.4.180.0070.03215.00
5.4.170.0070.03115.05
5.4.160.0080.03014.98
5.4.150.0070.04615.01
5.4.140.0050.03113.71
5.4.130.0050.03213.82
5.4.120.0070.03413.75
5.4.110.0050.03413.86
5.4.100.0050.03213.80
5.4.90.0090.02713.94
5.4.80.0030.03013.76
5.4.70.0020.03413.61
5.4.60.0030.03413.73
5.4.50.0080.02813.84
5.4.40.0050.03213.89
5.4.30.0070.03013.78
5.4.20.0050.03013.86
5.4.10.0050.03013.76
5.4.00.0050.03013.50
5.3.290.0050.02511.78
5.3.280.0020.03512.53
5.3.270.0100.03812.45
5.3.260.0050.03412.71
5.3.250.0050.03212.55
5.3.240.0070.03112.65
5.3.230.0120.03712.57
5.3.220.0080.04412.43
5.3.210.0080.04312.52
5.3.200.0050.03212.55
5.3.190.0150.03412.53
5.3.180.0080.04212.54
5.3.170.0090.04312.61
5.3.160.0080.03512.58
5.3.150.0050.03212.51
5.3.140.0100.03312.65
5.3.130.0080.03012.52
5.3.120.0120.02512.59
5.3.110.0100.02412.46
5.3.100.0070.03912.20
5.3.90.0070.03012.32
5.3.80.0070.03412.31
5.3.70.0050.03112.20
5.3.60.0050.03312.39
5.3.50.0070.03812.18
5.3.40.0080.03012.27
5.3.30.0100.02512.33
5.3.20.0090.03112.23
5.3.10.0080.03811.91
5.3.00.0100.04012.02
5.2.170.0100.05711.23
5.2.160.0070.04311.25
5.2.150.0030.05011.09
5.2.140.0130.05010.97
5.2.130.0070.06011.12
5.2.120.0100.04011.00
5.2.110.0070.03710.98
5.2.100.0100.03311.00
5.2.90.0030.04011.00
5.2.80.0030.04010.99
5.2.70.0070.04011.02
5.2.60.0170.04311.06
5.2.50.0070.03711.03
5.2.40.0170.04311.01
5.2.30.0130.05010.85
5.2.20.0030.04011.11
5.2.10.0070.04010.84
5.2.00.0070.03710.63
5.1.60.0030.0509.85
5.1.50.0030.03710.05
5.1.40.0070.0309.89
5.1.30.0030.03710.54
5.1.20.0030.03710.12
5.1.10.0000.04010.13
5.1.00.0030.0379.92
5.0.50.0100.0208.74
5.0.40.0070.0238.37
5.0.30.0070.0408.26
5.0.20.0070.0238.16
5.0.10.0000.0308.23
5.0.00.0070.0378.22
4.4.90.0070.0236.77
4.4.80.0070.0176.77
4.4.70.0000.0306.77
4.4.60.0070.0276.77
4.4.50.0000.0236.77
4.4.40.0070.0406.77
4.4.30.0000.0306.77
4.4.20.0000.0236.77
4.4.10.0000.0236.77
4.4.00.0030.0376.77
4.3.110.0030.0206.77
4.3.100.0000.0236.77
4.3.90.0000.0276.77
4.3.80.0000.0376.77
4.3.70.0030.0176.77
4.3.60.0000.0236.77
4.3.50.0070.0176.77
4.3.40.0030.0436.77
4.3.30.0030.0206.77
4.3.20.0030.0206.77
4.3.10.0030.0276.77
4.3.00.0130.0209.26

preferences:
38.88 ms | 401 KiB | 5 Q