3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generateFor($length) { $buffer = ''; for ($i = 0; $i < $length; $i++) { $buffer .= chr(mt_rand(0, 255)); } return $buffer; } function generatPad($length) { $buffer = ''; for ($i = 0; $i < $length; $i++) { $buffer .= chr(mt_rand(0, 255)); } return $buffer; } echo generateFor(7);

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)
7.3.10.0140.00016.84
7.3.00.0100.00516.55
7.2.130.0040.01116.90
7.2.120.0080.00616.85
7.2.110.0050.01016.85
7.2.100.0060.00916.87
7.2.90.0050.01116.69
7.2.80.0080.00416.92
7.2.70.0070.00916.90
7.2.60.0070.00616.87
7.2.50.0060.00716.98
7.2.40.0090.00616.98
7.2.30.0070.00916.91
7.2.20.0100.00516.92
7.2.10.0090.00616.99
7.2.00.0080.00717.49
7.1.250.0080.00515.59
7.1.240.0030.00915.80
7.1.230.0060.00915.62
7.1.220.0050.00715.66
7.1.210.0100.00415.83
7.1.200.0090.00615.62
7.1.190.0090.00615.56
7.1.180.0090.00515.82
7.1.170.0090.00515.74
7.1.160.0040.00915.65
7.1.150.0060.00615.67
7.1.140.0070.00915.80
7.1.130.0100.00315.67
7.1.120.0050.00815.61
7.1.110.0030.01215.62
7.1.100.0030.01015.51
7.1.90.0070.00515.63
7.1.80.0100.00615.77
7.1.70.0080.00616.02
7.1.60.0140.00316.83
7.1.50.0110.00416.04
7.1.40.0090.00715.50
7.1.30.0110.00515.63
7.1.20.0090.00615.73
7.1.10.0080.00815.55
7.1.00.0100.02617.73
7.0.330.0030.01015.38
7.0.320.0060.00715.13
7.0.310.0030.01015.24
7.0.300.0060.00615.42
7.0.290.0050.01015.27
7.0.280.0050.00815.33
7.0.270.0050.00715.47
7.0.260.0000.01115.23
7.0.250.0070.00315.27
7.0.240.0050.00915.21
7.0.230.0080.00815.36
7.0.220.0080.00515.45
7.0.210.0060.00615.22
7.0.200.0030.01115.75
7.0.190.0060.00815.25
7.0.180.0070.00714.94
7.0.170.0070.00815.19
7.0.160.0110.00215.08
7.0.150.0110.00515.04
7.0.140.0050.03017.52
7.0.130.0070.00515.15
7.0.120.0080.00615.10
7.0.110.0110.00415.21
7.0.100.0050.00915.10
7.0.90.0110.00215.16
7.0.80.0060.00615.34
7.0.70.0100.00315.17
7.0.60.0040.02216.82
7.0.50.0090.02516.08
7.0.40.0070.03615.53
7.0.30.0170.02815.54
7.0.20.0170.02915.53
7.0.10.0100.03115.56
7.0.00.0070.03015.54
5.6.380.0100.00414.29
5.6.370.0060.00714.25
5.6.360.0060.00614.33
5.6.350.0090.00714.51
5.6.340.0040.00714.07
5.6.330.0060.00814.63
5.6.320.0070.00414.32
5.6.310.0050.01014.24
5.6.300.0080.00714.25
5.6.290.0070.00714.48
5.6.280.0040.03016.65
5.6.270.0100.00314.02
5.6.260.0080.00614.41
5.6.250.0070.00414.36
5.6.240.0040.00814.22
5.6.230.0040.00914.22
5.6.220.0060.00614.26
5.6.210.0060.03316.47
5.6.200.0040.01915.55
5.6.190.0080.02616.27
5.6.180.0140.01716.37
5.6.170.0130.03316.18
5.6.160.0090.02816.24
5.6.150.0060.03315.53
5.6.140.0090.02915.50
5.6.130.0040.02015.55
5.6.120.0080.03416.44
5.6.110.0060.03116.45
5.6.100.0050.02916.54
5.6.90.0020.02016.53
5.6.80.0060.02916.25
5.6.70.0040.00814.27
5.6.60.0070.00614.14
5.6.50.0050.01014.34
5.6.40.0070.00614.31
5.6.30.0110.00314.32
5.6.20.0080.00614.15
5.6.10.0030.01414.13
5.6.00.0090.00614.06
5.5.380.0030.00611.36
5.5.370.0050.00711.44
5.5.360.0070.00211.23
5.5.350.0040.03014.39
5.5.340.0050.02413.50
5.5.330.0040.01714.38
5.5.320.0060.03014.43
5.5.310.0160.02914.34
5.5.300.0040.02213.57
5.5.290.0060.02313.48
5.5.280.0080.02814.50
5.5.270.0070.03214.40
5.5.260.0060.03014.47
5.5.250.0030.03414.50
5.5.240.1360.01714.27
5.5.230.0050.00711.26
5.5.220.0090.00311.27
5.5.210.0010.00711.39
5.5.200.0040.00711.27
5.5.190.0050.00811.23
5.5.180.0030.00711.29
5.5.170.0060.00511.09
5.5.160.0050.00811.13
5.5.150.0020.00911.43
5.5.140.0040.00711.29
5.5.130.0030.01211.33
5.5.120.0070.00311.26
5.5.110.0090.00711.29
5.5.100.0070.00811.32
5.5.90.0020.01111.43
5.5.80.0020.01211.31
5.5.70.0080.00511.45
5.5.60.0050.00611.38
5.5.50.0050.00711.27
5.5.40.0050.00511.36
5.5.30.0080.00411.11
5.5.20.0070.00611.29
5.5.10.0060.00411.35
5.5.00.0070.00311.11
5.4.450.0190.02814.02
5.4.440.0210.02713.89
5.4.430.0180.02514.05
5.4.420.0220.02313.93
5.4.410.0210.01413.95
5.4.400.0220.02313.80
5.4.390.0160.02914.04
5.4.380.0140.01613.90
5.4.370.0220.02714.01
5.4.360.0230.02313.79
5.4.350.0260.02213.86
5.4.340.0180.02113.67
5.4.330.0060.00411.13
5.4.320.0170.02913.84
5.4.310.0180.02613.88
5.4.300.0180.02313.96
5.4.290.0210.02513.94
5.4.280.0210.02613.84
5.4.270.0200.02013.88
5.4.260.0160.01913.96
5.4.250.0200.02713.99
5.4.240.0220.01413.88
5.4.230.0220.02613.85
5.4.220.0190.02513.92
5.4.210.0210.02513.98
5.4.200.0230.01913.90
5.4.190.0210.01813.82
5.4.180.0220.02113.76
5.4.170.0200.02213.88
5.4.160.0190.02013.84
5.4.150.0230.02413.82
5.4.140.0190.02312.99
5.4.130.0190.02012.92
5.4.120.0160.01613.04
5.4.110.0190.01912.94
5.4.100.0230.02212.92
5.4.90.0240.02012.82
5.4.80.0200.01213.05
5.4.70.0180.02812.97
5.4.60.0210.01313.09
5.4.50.0200.01912.94
5.4.40.0230.01413.00
5.4.30.0190.02212.99
5.4.20.0250.02113.03
5.4.10.0200.02012.87
5.4.00.0250.01912.77
5.3.290.0210.02612.40
5.3.280.0200.02512.26
5.3.270.0170.02512.26
5.3.260.0170.01712.33
5.3.250.0180.01512.29
5.3.240.0210.02612.19
5.3.230.0170.01912.34
5.3.220.0180.01612.21
5.3.210.0200.02412.22
5.3.200.0190.01912.23
5.3.190.0170.02112.15
5.3.180.0140.01912.32
5.3.170.0230.02412.20
5.3.160.0170.02312.35
5.3.150.0200.02612.33
5.3.140.0170.02712.22
5.3.130.0210.02412.28
5.3.120.0190.01912.25
5.3.110.0160.02512.24
5.3.100.0210.02611.97
5.3.90.0200.02112.13
5.3.80.0200.02412.04
5.3.70.0170.02112.04
5.3.60.0230.02312.12
5.3.50.0200.02412.07
5.3.40.0180.02912.03
5.3.30.0180.02112.15
5.3.20.0200.02511.93
5.3.10.0250.02111.97
5.3.00.0220.01911.88
5.2.170.0170.01910.99
5.2.160.0160.01210.93
5.2.150.0150.02410.91
5.2.140.0130.02310.99
5.2.130.0160.01410.90
5.2.120.0140.02310.92
5.2.110.0160.01711.00
5.2.100.0150.02110.91
5.2.90.0180.01810.92
5.2.80.0180.02210.96
5.2.70.0210.01910.95
5.2.60.0190.01810.88
5.2.50.0150.01910.92
5.2.40.0160.01910.88
5.2.30.0130.01510.85
5.2.20.0120.02010.93
5.2.10.0160.01410.82
5.2.00.0170.01410.83
5.1.60.0090.01310.77
5.1.50.0150.01610.77
5.1.40.0160.01110.78
5.1.30.0130.01810.78
5.1.20.0060.01710.78
5.1.10.0130.01310.79
5.1.00.0100.00910.80
5.0.50.0090.01410.80
5.0.40.0080.00710.80
5.0.30.0090.02310.81
5.0.20.0090.01810.81
5.0.10.0060.00910.81
5.0.00.0130.02010.82
4.4.90.0080.01410.74
4.4.80.0090.01110.74
4.4.70.0090.01310.75
4.4.60.0040.01510.75
4.4.50.0080.01010.76
4.4.40.0090.01710.77
4.4.30.0060.01410.77
4.4.20.0050.00810.78
4.4.10.0040.01210.80
4.4.00.0030.01310.80
4.3.110.0080.01110.80
4.3.100.0080.01410.81
4.3.90.0080.01410.81
4.3.80.0080.01410.82
4.3.70.0090.01310.82
4.3.60.0120.00710.82
4.3.50.0090.00910.82
4.3.40.0070.01310.82
4.3.30.0020.01710.82
4.3.20.0030.01410.82
4.3.10.0030.01010.83
4.3.00.0030.01610.83

preferences:
38.64 ms | 401 KiB | 5 Q