3v4l.org

run code in 300+ PHP versions simultaneously
<?php $size = pow(2, 8); // 16 is just an example, could also be 15 or 17 $startTime = microtime(true); $array = array(); for ($key = 0, $maxKey = $size - 1; $key <= $maxKey; ++$key) { $array[$key] = 0; } $endTime = microtime(true); echo 'Inserting ', $size, ' good elements took ', $endTime - $startTime, ' seconds', "\n"; $startTime = microtime(true); $array = array(); for ($key = 0, $maxKey = ($size - 1) * $size; $key <= $maxKey; $key += $size) { $array[$key] = 0; } $endTime = microtime(true); echo 'Inserting ', $size, ' evil elements took ', $endTime - $startTime, ' seconds', "\n";

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)
7.4.00.0030.01214.84
7.3.120.0090.00914.80
7.3.110.0040.01415.01
7.3.100.0070.01014.93
7.3.90.0090.00614.79
7.3.80.0060.00314.69
7.3.70.0070.00714.93
7.3.60.0070.00714.84
7.3.50.0070.00714.77
7.3.40.0030.01414.93
7.3.30.0000.01514.75
7.3.20.0070.00316.74
7.3.10.0000.01416.73
7.3.00.0050.01116.59
7.2.250.0060.01315.20
7.2.240.0070.01014.97
7.2.230.0070.01015.17
7.2.220.0030.01215.27
7.2.210.0100.00315.00
7.2.200.0000.01415.13
7.2.190.0060.00915.23
7.2.180.0090.00614.91
7.2.170.0040.01415.23
7.2.130.0060.01016.90
7.2.120.0060.00616.72
7.2.110.0110.00316.93
7.2.100.0000.01716.98
7.2.90.0060.00916.99
7.2.80.0090.00616.84
7.2.70.0060.00916.93
7.2.60.0040.00716.91
7.2.50.0070.00716.87
7.2.40.0140.00316.98
7.2.30.0060.01017.12
7.2.20.0030.01016.98
7.2.10.0040.01117.02
7.2.00.0070.00718.17
7.1.330.0070.01015.91
7.1.320.0030.01515.68
7.1.310.0000.01115.84
7.1.300.0070.00415.55
7.1.290.0040.01115.74
7.1.280.0030.01215.60
7.1.270.0000.01615.78
7.1.260.0000.01315.53
7.1.250.0060.01215.71
7.1.240.0000.00915.88
7.1.230.0040.00915.57
7.1.220.0070.00715.93
7.1.210.0030.00615.87
7.1.200.0030.01015.68
7.1.190.0060.00615.79
7.1.180.0060.00915.68
7.1.170.0110.00015.59
7.1.160.0070.00315.84
7.1.150.0060.00315.79
7.1.140.0110.00415.89
7.1.130.0030.01015.93
7.1.120.0040.01115.52
7.1.110.0100.00415.79
7.1.100.0060.00315.55
7.1.90.0030.00615.62
7.1.80.0040.01415.92
7.1.70.0020.01116.40
7.1.60.0080.01017.57
7.1.50.0050.01116.30
7.1.40.0100.00315.79
7.1.30.0000.01215.80
7.1.20.0080.00315.88
7.1.10.0080.00315.75
7.1.00.0040.04419.13
7.0.330.0070.00715.22
7.0.320.0030.00715.29
7.0.310.0040.01115.16
7.0.300.0090.00015.28
7.0.290.0110.00415.02
7.0.280.0100.00315.21
7.0.270.0140.00015.39
7.0.260.0030.00915.41
7.0.250.0040.00915.38
7.0.240.0070.00715.36
7.0.230.0030.00615.45
7.0.220.0030.00915.39
7.0.210.0160.00015.36
7.0.200.0140.00515.11
7.0.190.0040.00815.40
7.0.180.0070.00715.46
7.0.170.0080.00315.42
7.0.160.0030.01015.36
7.0.150.0000.01115.45
7.0.140.0070.03818.70
7.0.130.0030.00615.18
7.0.120.0110.00415.38
7.0.110.0030.00315.17
7.0.100.0090.00315.43
7.0.90.0000.01615.26
7.0.80.0000.01415.28
7.0.70.0030.01015.45
7.0.60.0000.02717.77
7.0.50.0080.04316.71
7.0.40.0070.03716.66
7.0.30.0170.02216.73
7.0.20.0170.03716.87
7.0.10.0080.03716.73
7.0.00.0020.04916.79
5.6.380.0040.00714.42
5.6.370.0000.01114.64
5.6.360.0060.00914.81
5.6.350.0110.00314.52
5.6.340.0060.00314.70
5.6.330.0030.01114.46
5.6.320.0060.01114.66
5.6.310.0030.01014.41
5.6.300.0090.00614.60
5.6.290.0000.01114.37
5.6.280.0000.04317.60
5.6.270.0030.01314.20
5.6.260.0030.01014.14
5.6.250.0100.00314.62
5.6.240.0120.00414.53
5.6.230.0070.00714.37
5.6.220.0040.00714.17
5.6.210.0080.04517.44
5.6.200.0050.02716.31
5.6.190.0080.04717.56
5.6.180.1870.02917.38
5.6.170.0200.04217.53
5.6.160.0070.04217.53
5.6.150.0110.01716.22
5.6.140.0070.04516.35
5.6.130.0060.02516.43
5.6.120.0080.03917.62
5.6.110.0140.04217.72
5.6.100.0050.02617.75
5.6.90.0050.03017.67
5.6.80.0130.03517.56
5.6.70.0170.01817.46
5.6.60.0000.01114.32
5.6.50.0090.00614.73
5.6.40.0060.00614.44
5.6.30.0090.00314.25
5.6.20.0030.01014.46
5.6.10.0040.00714.50
5.6.00.0030.01014.30
5.5.380.0000.00911.18
5.5.370.0000.01111.33
5.5.360.0050.00311.18
5.5.350.0200.03615.87
5.5.340.0030.02314.54
5.5.330.0080.02215.78
5.5.320.0170.03515.70
5.5.310.0070.03215.75
5.5.300.0030.04814.54
5.5.290.0080.02014.56
5.5.280.0070.04416.02
5.5.270.0030.02516.09
5.5.260.0080.03215.96
5.5.250.0100.03315.92
5.5.240.0100.01715.71
5.5.230.0000.01111.27
5.5.220.0070.00411.18
5.5.210.0060.00011.18
5.5.200.0000.01111.18
5.5.190.0030.01011.23
5.5.180.0080.00311.18
5.5.170.0060.00311.23
5.5.160.0090.00311.18
5.5.150.0060.00311.26
5.5.140.0000.01111.18
5.5.130.0000.01411.18
5.5.120.0050.00511.18
5.5.110.0030.01011.18
5.5.100.0000.01111.33
5.5.90.0000.00711.21
5.5.80.0000.01111.18
5.5.70.0000.00711.25
5.5.60.0030.00511.31
5.5.50.0060.00011.18
5.5.40.0000.01211.18
5.5.30.0040.00411.18
5.5.20.0000.00911.18
5.5.10.0070.00411.18
5.5.00.0040.00411.18
5.4.450.0200.02915.40
5.4.440.0350.03215.21
5.4.430.0410.02815.33
5.4.420.0100.03915.33
5.4.410.0080.03315.27
5.4.400.0090.02715.10
5.4.390.0070.03015.09
5.4.380.0130.03014.87
5.4.370.0120.02814.95
5.4.360.0120.02714.95
5.4.350.0060.02211.59
5.4.340.0040.02811.59
5.4.330.0030.00611.18
5.4.320.0060.02811.83
5.4.310.0050.02311.83
5.4.300.0060.02511.84
5.4.290.0050.03111.82
5.4.280.0070.03011.78
5.4.270.0090.02711.77
5.4.260.0070.03011.77
5.4.250.0100.03811.77
5.4.240.0070.02611.77
5.4.230.0060.02311.78
5.4.220.0040.02511.77
5.4.210.0070.02411.77
5.4.200.0050.02111.77
5.4.190.0070.01911.77
5.4.180.0070.02211.77
5.4.170.0060.02111.77
5.4.160.0060.02111.77
5.4.150.0070.01911.77
5.4.140.0040.02311.61
5.4.130.0060.02111.61
5.4.120.0060.01911.58
5.4.110.0040.02411.58
5.4.100.0050.02011.62
5.4.90.0020.02511.58
5.4.80.0070.02311.58
5.4.70.0040.02411.62
5.4.60.0060.03311.58
5.4.50.0080.02411.58
5.4.40.0040.03211.57
5.4.30.0060.03211.57
5.4.20.0040.02311.57
5.4.10.0060.02111.57
5.4.00.0040.02511.32
5.3.290.0040.02311.99
5.3.280.0040.02511.94
5.3.270.0050.02511.95
5.3.260.0040.02611.95
5.3.250.0040.02511.95
5.3.240.0070.02511.95
5.3.230.0040.02611.94
5.3.220.0070.03111.93
5.3.210.0060.03311.93
5.3.200.0090.02111.93
5.3.190.0080.02811.93
5.3.180.0090.02111.92
5.3.170.0060.02511.92
5.3.160.0040.02111.92
5.3.150.0070.02411.93
5.3.140.0060.02611.92
5.3.130.0070.02411.92
5.3.120.0050.03111.92
5.3.110.0020.03211.91
5.3.100.0060.02611.65
5.3.90.0020.02711.64
5.3.80.0070.02011.63
5.3.70.0040.02611.63
5.3.60.0040.02311.63
5.3.50.0020.02311.60
5.3.40.0060.02111.60
5.3.30.0070.02011.58
5.3.20.0020.02211.47
5.3.10.0070.02111.45
5.3.00.0050.02211.45
5.2.170.0060.01710.20
5.2.160.0030.01810.20
5.2.150.0050.01710.20
5.2.140.0060.01710.20
5.2.130.0060.01710.17
5.2.120.0040.02010.18
5.2.110.0050.01810.18
5.2.100.0040.01710.18
5.2.90.0040.02110.18
5.2.80.0020.02210.17
5.2.70.0030.02210.18
5.2.60.0050.01910.15
5.2.50.0030.02710.13
5.2.40.0040.02310.12
5.2.30.0080.02210.11
5.2.20.0080.02110.11
5.2.10.0040.02210.08
5.2.00.0060.02310.01
5.1.60.0040.0179.66
5.1.50.0040.0199.66
5.1.40.0060.0239.65
5.1.30.0020.0219.82
5.1.20.0050.0199.83
5.1.10.0040.0199.69
5.1.00.0020.0239.69
5.0.50.0020.0198.94
5.0.40.0040.0198.87
5.0.30.0020.0298.78
5.0.20.0070.0148.76
5.0.10.0020.0198.74
5.0.00.0050.0248.74
4.4.90.0040.0137.97
4.4.80.0020.0167.96
4.4.70.0030.0127.96
4.4.60.0010.0137.96
4.4.50.0060.0087.97
4.4.40.0020.0157.94
4.4.30.0030.0107.97
4.4.20.0010.0138.01
4.4.10.0040.0108.01
4.4.00.0030.0167.97
4.3.110.0020.0167.92
4.3.100.0040.0097.92
4.3.90.0030.0137.90
4.3.80.0010.0207.90
4.3.70.0020.0137.90
4.3.60.0040.0087.90
4.3.50.0040.0117.91
4.3.40.0010.0197.89
4.3.30.0010.0167.30
4.3.20.0040.0137.29
4.3.10.0010.0137.26
4.3.00.0030.0169.42

preferences:
42.24 ms | 401 KiB | 5 Q