3v4l.org

run code in 300+ PHP versions simultaneously
<?php $random_key = ''; for( $i = 0; $i < 64; $i++) { $random_key .= ((bool)rand(0, 1) ? chr(rand(65, 90)) : rand(0, 9)); } print strlen($random_key) . "\n"; print $random_key . "\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)
7.4.10.0040.01115.13
7.4.00.0100.00714.68
7.3.130.0040.01414.85
7.3.120.0070.01014.86
7.3.110.0040.01214.88
7.3.100.0070.00714.82
7.3.90.0070.00715.06
7.3.80.0030.01014.84
7.3.70.0000.01814.74
7.3.60.0070.00314.96
7.3.50.0030.00614.77
7.3.40.0060.00614.79
7.3.30.0090.00614.87
7.3.20.0000.01216.86
7.3.10.0030.00916.54
7.3.00.0060.00916.64
7.2.260.0030.01114.98
7.2.250.0110.00715.15
7.2.240.0100.00314.96
7.2.230.0070.00715.20
7.2.220.0100.00715.14
7.2.210.0120.00315.24
7.2.200.0070.00315.21
7.2.190.0110.00015.09
7.2.180.0000.01615.10
7.2.170.0030.01015.21
7.2.160.0090.00315.05
7.2.150.0000.01417.04
7.2.140.0030.01316.71
7.2.130.0030.01016.59
7.2.120.0070.01016.82
7.2.110.0030.00716.96
7.2.100.0060.01016.80
7.2.90.0000.01316.95
7.2.80.0000.01616.95
7.2.70.0070.01017.04
7.2.60.0060.00316.97
7.2.50.0000.01516.73
7.2.40.0100.00316.91
7.2.30.0090.00617.02
7.2.20.0140.00017.04
7.2.10.0030.01316.96
7.2.00.0080.00518.15
7.1.330.0070.01015.94
7.1.320.0100.00015.75
7.1.310.0130.00315.46
7.1.300.0060.01015.86
7.1.290.0070.00715.89
7.1.280.0070.00715.58
7.1.270.0060.00615.90
7.1.260.0040.00715.57
7.1.250.0120.00015.82
7.1.240.0000.01315.54
7.1.230.0040.00715.69
7.1.220.0140.00015.71
7.1.210.0030.00715.80
7.1.200.0040.00715.68
7.1.190.0100.00315.88
7.1.180.0040.00815.91
7.1.170.0120.00315.80
7.1.160.0070.00715.88
7.1.150.0070.00715.76
7.1.140.0070.00715.93
7.1.130.0060.00915.95
7.1.120.0060.00615.83
7.1.110.0030.00715.89
7.1.100.0070.00715.80
7.1.90.0030.01315.91
7.1.80.0030.00615.57
7.1.70.0020.00916.66
7.1.60.0100.01017.49
7.1.50.0040.00716.44
7.1.40.0030.01015.63
7.1.30.0040.00815.93
7.1.20.0000.01615.53
7.1.10.0040.01215.80
7.1.00.0030.03519.18
7.0.330.0070.00715.25
7.0.320.0050.00815.35
7.0.310.0050.00815.47
7.0.300.0030.00615.21
7.0.290.0030.01015.45
7.0.280.0040.01115.25
7.0.270.0100.00315.27
7.0.260.0110.00315.46
7.0.250.0130.00015.50
7.0.240.0110.00415.48
7.0.230.0000.00815.37
7.0.220.0030.00715.65
7.0.210.0080.00815.20
7.0.200.0080.00516.07
7.0.190.0040.00715.14
7.0.180.0060.00615.39
7.0.170.0040.01115.26
7.0.160.0030.00915.32
7.0.150.0000.01415.39
7.0.140.0020.04418.81
7.0.130.0060.00615.49
7.0.120.0030.00615.47
7.0.110.0030.01215.23
7.0.100.0040.01115.26
7.0.90.0030.01015.56
7.0.80.0110.00415.42
7.0.70.0000.00815.22
7.0.60.0030.03817.68
7.0.50.0050.04016.70
7.0.40.0070.02916.73
7.0.30.0130.02916.74
7.0.20.0150.03716.77
7.0.10.0150.03716.86
7.0.00.0080.02416.88
5.6.400.0100.00314.17
5.6.390.0100.00314.05
5.6.380.0030.01414.23
5.6.370.0040.00714.23
5.6.360.0030.01214.38
5.6.350.0090.00614.57
5.6.340.0040.01114.48
5.6.330.0160.00014.16
5.6.320.0070.00714.65
5.6.310.0030.01314.17
5.6.300.0060.00914.49
5.6.290.0100.00614.51
5.6.280.0050.04117.81
5.6.270.0070.00714.43
5.6.260.0030.01414.28
5.6.250.0070.00714.48
5.6.240.0070.00714.27
5.6.230.0040.01114.27
5.6.220.0000.00814.47
5.6.210.0050.02517.45
5.6.200.0080.02016.28
5.6.190.0060.02317.47
5.6.180.2000.02817.51
5.6.170.0170.03817.28
5.6.160.0100.04017.41
5.6.150.0060.03816.25
5.6.140.0080.04016.27
5.6.130.0020.03616.19
5.6.120.0120.03717.62
5.6.110.0100.04017.73
5.6.100.0030.05017.67
5.6.90.0050.05017.79
5.6.80.0040.02317.36
5.6.70.0100.04217.35
5.6.60.0100.00314.21
5.6.50.0030.01214.43
5.6.40.0030.01314.15
5.6.30.0060.00314.24
5.6.20.0030.01214.23
5.6.10.0040.01114.61
5.6.00.0060.00614.23
5.5.380.0030.00514.57
5.5.370.0120.00314.36
5.5.360.0100.00314.25
5.5.350.0080.04317.46
5.5.340.0030.02616.08
5.5.330.0030.03417.19
5.5.320.0120.02817.38
5.5.310.0170.02717.30
5.5.300.0070.04316.10
5.5.290.0070.02216.08
5.5.280.0070.04017.50
5.5.270.0100.03317.40
5.5.260.0070.02517.67
5.5.250.0080.02517.42
5.5.240.0050.02617.32
5.5.230.0120.00014.03
5.5.220.0030.01214.41
5.5.210.0000.00814.28
5.5.200.0070.01014.28
5.5.190.0030.01014.41
5.5.180.0090.00614.43
5.5.170.0090.00014.02
5.5.160.0030.00714.29
5.5.150.0080.00013.94
5.5.140.0060.00614.36
5.5.130.0000.01714.22
5.5.120.0060.00314.17
5.5.110.0040.01114.04
5.5.100.0060.00314.16
5.5.90.0030.01014.19
5.5.80.0100.00314.36
5.5.70.0000.01014.01
5.5.60.0030.01414.15
5.5.50.0030.01013.88
5.5.40.0120.00314.31
5.5.30.0080.00814.40
5.5.20.0100.00314.18
5.5.10.0090.00314.23
5.5.00.0070.00314.07
5.4.450.0500.03415.39
5.4.440.0350.02915.17
5.4.430.0550.02515.20
5.4.420.0080.02915.13
5.4.410.0380.03315.39
5.4.400.0330.03314.83
5.4.390.0180.03014.73
5.4.380.0490.04114.66
5.4.370.0160.02214.81
5.4.360.0060.03114.75
5.4.350.0060.02911.52
5.4.340.0050.02011.47
5.4.330.0060.00310.86
5.4.320.0050.02111.68
5.4.310.0040.02511.69
5.4.300.0040.02111.82
5.4.290.0080.01911.69
5.4.280.0080.02011.54
5.4.270.0040.02311.71
5.4.260.0050.02711.61
5.4.250.0060.03014.87
5.4.240.0060.02814.91
5.4.230.0050.02814.77
5.4.220.0120.03514.71
5.4.210.0070.02714.86
5.4.200.0080.02814.85
5.4.190.0100.02814.88
5.4.180.0080.02814.75
5.4.170.0060.03614.66
5.4.160.0160.02814.64
5.4.150.0070.03014.84
5.4.140.0100.02513.72
5.4.130.0070.02513.73
5.4.120.0070.03013.80
5.4.110.0030.03313.78
5.4.100.0050.02913.78
5.4.90.0080.02713.60
5.4.80.0100.02613.68
5.4.70.0100.03013.64
5.4.60.0120.03513.68
5.4.50.0070.02613.42
5.4.40.0050.02813.61
5.4.30.0020.03113.72
5.4.20.0050.02913.61
5.4.10.0000.03513.60
5.4.00.0070.02713.19
5.3.290.0020.02611.62
5.3.280.0030.03012.59
5.3.270.0020.03012.44
5.3.260.0070.03112.63
5.3.250.0060.03112.56
5.3.240.0020.03812.59
5.3.230.0070.02712.57
5.3.220.0110.02312.38
5.3.210.0070.03012.38
5.3.200.0070.02712.35
5.3.190.0070.03012.52
5.3.180.0030.02912.53
5.3.170.0070.03212.56
5.3.160.0030.03612.56
5.3.150.0090.03512.47
5.3.140.0050.02812.51
5.3.130.0050.02812.44
5.3.120.0050.02812.58
5.3.110.0050.03112.50
5.3.100.0050.02812.33
5.3.90.0050.02612.25
5.3.80.0070.02812.06
5.3.70.0070.02512.20
5.3.60.0000.03112.17
5.3.50.0070.02412.03
5.3.40.0050.02612.01
5.3.30.0070.02512.12
5.3.20.0120.02612.10
5.3.10.0030.02811.93
5.3.00.0050.02711.91
5.2.170.0070.04010.90
5.2.160.0070.03710.90
5.2.150.0070.04310.90
5.2.140.0100.03711.05
5.2.130.0000.05710.86
5.2.120.0030.04010.98
5.2.110.0030.04011.00
5.2.100.0100.03311.10
5.2.90.0100.03311.03
5.2.80.0000.04311.20
5.2.70.0070.04311.18
5.2.60.0030.04310.96
5.2.50.0130.03310.93
5.2.40.0070.04010.99
5.2.30.0030.05010.89
5.2.20.0000.04310.84
5.2.10.0070.03710.68
5.2.00.0030.05710.66
5.1.60.0000.0379.82
5.1.50.0000.03710.08
5.1.40.0030.0379.97
5.1.30.0030.03710.29
5.1.20.0100.03010.43
5.1.10.0030.03710.03
5.1.00.0130.04010.06
5.0.50.0030.0278.45
5.0.40.0100.0208.38
5.0.30.0030.0438.18
5.0.20.0030.0278.18
5.0.10.0070.0238.23
5.0.00.0000.0438.34
4.4.90.0070.0237.31
4.4.80.0000.0237.31
4.4.70.0070.0207.31
4.4.60.0000.0237.31
4.4.50.0030.0207.31
4.4.40.0070.0307.31
4.4.30.0000.0237.31
4.4.20.0070.0207.31
4.4.10.0030.0237.31
4.4.00.0030.0377.31
4.3.110.0000.0237.31
4.3.100.0100.0177.31
4.3.90.0030.0207.31
4.3.80.0000.0337.31
4.3.70.0030.0307.31
4.3.60.0070.0177.31
4.3.50.0000.0237.31
4.3.40.0030.0307.31
4.3.30.0030.0207.31
4.3.20.0030.0207.31
4.3.10.0000.0237.31
4.3.00.0170.0236.59

preferences:
38.07 ms | 400 KiB | 5 Q