3v4l.org

run code in 300+ PHP versions simultaneously
<?php $length = 20; $symbols = false; $grabbag = "abcdefghijklmnopqrstuvwxyz0123456789"; if ($symbols) { $grabbag .= '!@#$%^&*()_+{}-=[]|\\:";\'<,>.?/~`'; } $string = ''; $len = strlen($grabbag)-1; while ($length--) { $string .= $grabbag[rand(0,$len)]; } echo $string;

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)
7.4.00.0070.01315.05
7.3.120.0080.00914.88
7.3.110.0120.00414.90
7.3.100.0020.01414.77
7.3.90.0070.00514.80
7.3.80.0040.01015.00
7.3.70.0080.00714.82
7.3.60.0080.00614.83
7.3.50.0070.00714.69
7.3.40.0100.00414.80
7.3.30.0070.00814.81
7.3.20.0060.00816.70
7.3.10.0030.00916.56
7.3.00.0060.00916.58
7.2.250.0050.01315.00
7.2.240.0080.01015.09
7.2.230.0060.00714.91
7.2.220.0050.00914.93
7.2.210.0030.00915.03
7.2.200.0030.01114.91
7.2.190.0040.01014.92
7.2.180.0060.00914.87
7.2.170.0060.00915.08
7.2.160.0050.01015.06
7.2.150.0080.00616.80
7.2.140.0090.00516.87
7.2.130.0080.00616.80
7.2.120.0050.00716.87
7.2.110.0070.01016.90
7.2.100.0050.00916.99
7.2.90.0090.00516.93
7.2.80.0060.01116.70
7.2.70.0050.00917.05
7.2.60.0080.00616.95
7.2.50.0060.00716.92
7.2.40.0020.01117.00
7.2.30.0090.00816.89
7.2.20.0060.00816.88
7.2.10.0050.01117.05
7.2.00.0050.00716.99
7.1.330.0110.00515.86
7.1.320.0020.01115.94
7.1.310.0070.00615.72
7.1.300.0030.00915.79
7.1.290.0060.00715.63
7.1.280.0060.00915.79
7.1.270.0060.00715.74
7.1.260.0040.00915.86
7.1.250.0070.00615.90
7.1.240.0080.00815.84
7.1.230.0070.00415.78
7.1.220.0060.00615.87
7.1.210.0120.00315.57
7.1.200.0030.01015.74
7.1.190.0060.00615.54
7.1.180.0070.00315.96
7.1.170.0100.00315.83
7.1.160.0090.00615.84
7.1.150.0030.01015.96
7.1.140.0070.00315.91
7.1.130.0000.01415.76
7.1.120.0040.00815.82
7.1.110.0070.00715.83
7.1.100.0100.00015.86
7.1.90.0120.00315.89
7.1.80.0100.00315.78
7.1.70.0030.00816.55
7.1.60.0090.00917.68
7.1.50.0180.00925.31
7.1.40.0030.00915.79
7.1.30.0060.00615.68
7.1.20.0060.00315.84
7.1.10.0040.01115.84
7.1.00.0030.04319.11
7.0.330.0060.00615.18
7.0.320.0000.01615.40
7.0.310.0040.00715.40
7.0.300.0030.01315.34
7.0.290.0000.01815.45
7.0.280.0090.00015.37
7.0.270.0040.01115.20
7.0.260.0040.00415.50
7.0.250.0030.00515.44
7.0.240.0090.00615.64
7.0.230.0070.00715.44
7.0.220.0000.01115.59
7.0.210.0130.00015.55
7.0.200.0070.00516.27
7.0.190.0040.01115.49
7.0.180.0030.00615.60
7.0.170.0060.00915.32
7.0.160.0100.00315.47
7.0.150.0060.00915.52
7.0.140.0050.04018.68
7.0.130.0100.00615.41
7.0.120.0070.00715.63
7.0.110.0000.01215.35
7.0.100.0060.00915.26
7.0.90.0040.00815.43
7.0.80.0000.01115.21
7.0.70.0030.04718.65
7.0.60.0050.04318.54
7.0.50.0090.03318.84
7.0.40.0100.02216.85
7.0.30.0020.03116.80
7.0.20.0050.02316.72
7.0.10.0030.02616.85
7.0.00.0010.02816.83
5.6.400.0070.00314.43
5.6.390.0000.00913.96
5.6.380.0000.01614.21
5.6.370.0030.01114.30
5.6.360.0000.01214.55
5.6.350.0000.00914.54
5.6.340.0000.01014.67
5.6.330.0000.01114.55
5.6.320.0030.00514.02
5.6.310.0070.00714.56
5.6.300.0120.00314.62
5.6.290.0030.00714.77
5.6.280.0040.00814.36
5.6.270.0060.00614.28
5.6.260.0030.01014.34
5.6.250.0060.00914.49
5.6.240.0130.00014.41
5.6.230.0000.01214.57
5.6.220.0030.05017.47
5.6.210.0050.04017.56
5.6.200.0070.03517.74
5.6.190.0070.02217.68
5.6.180.0060.02317.74
5.6.170.0030.02517.61
5.6.160.0050.02817.87
5.6.150.0050.02517.68
5.6.140.0080.01617.59
5.6.130.0020.02617.72
5.6.120.0060.02417.73
5.6.110.0030.02417.67
5.6.100.0050.02017.63
5.6.90.0030.02117.70
5.6.80.0030.02217.36
5.6.70.0040.01817.32
5.6.60.0030.02017.26
5.6.50.0050.01817.56
5.6.40.0020.02417.52
5.6.30.0050.01817.55
5.6.20.0030.02117.31
5.6.10.0060.01617.35
5.6.00.0000.02517.34
5.5.380.0130.00014.30
5.5.370.0060.00314.00
5.5.360.0070.03917.35
5.5.350.0000.04817.32
5.5.340.0000.04217.70
5.5.330.0030.02517.54
5.5.320.0070.02617.75
5.5.310.0040.02317.71
5.5.300.0010.02417.66
5.5.290.0080.01717.64
5.5.280.0050.02317.79
5.5.270.0050.02017.71
5.5.260.0020.02317.41
5.5.250.0020.02017.33
5.5.240.0000.02217.15
5.5.230.0050.01817.32
5.5.220.0060.01917.25
5.5.210.0000.02217.13
5.5.200.0020.02317.31
5.5.190.0040.01817.25
5.5.180.0050.02017.20
5.5.170.0110.00414.16
5.5.160.0030.02017.17
5.5.150.0020.02717.32
5.5.140.0030.02017.28
5.5.130.0050.02017.32
5.5.120.0050.01817.28
5.5.110.0030.03117.28
5.5.100.0020.02617.07
5.5.90.0030.02417.06
5.5.80.0040.02217.21
5.5.70.0070.02217.30
5.5.60.0050.03717.11
5.5.50.0000.02617.26
5.5.40.0020.02217.22
5.5.30.0020.01917.07
5.5.20.0020.02517.13
5.5.10.0020.02217.20
5.5.00.0040.02417.10
5.4.450.0040.02015.74
5.4.440.0030.01815.77
5.4.430.0020.02015.81
5.4.420.0000.02115.69
5.4.410.0020.02115.71
5.4.400.0050.01515.46
5.4.390.0040.01815.65
5.4.380.0030.01515.56
5.4.370.0000.02215.59
5.4.360.0050.01715.60
5.4.350.0050.01715.57
5.4.340.0030.01815.60
5.4.330.0060.00312.11
5.4.320.0020.02215.58
5.4.310.0030.02215.57
5.4.300.0000.02315.56
5.4.290.0050.01715.46
5.4.280.0030.01615.56
5.4.270.0050.02515.56
5.4.260.0060.02015.52
5.4.250.0050.02015.53
5.4.240.0080.02115.58
5.4.230.0020.02415.44
5.4.220.0030.02315.54
5.4.210.0020.02015.56
5.4.200.0020.02415.56
5.4.190.0020.01715.57
5.4.180.0000.01815.55
5.4.170.0020.02015.58
5.4.160.0050.01715.55
5.4.150.0030.02315.60
5.4.140.0010.01814.17
5.4.130.0000.02314.17
5.4.120.0010.01814.22
5.4.110.0020.01814.18
5.4.100.0000.01914.21
5.4.90.0050.01514.17
5.4.80.0030.02014.23
5.4.70.0050.01814.21
5.4.60.0010.01914.18
5.4.50.0060.01914.25
5.4.40.0020.02114.27
5.4.30.0030.02014.23
5.4.20.0050.02014.17
5.4.10.0000.02214.19
5.4.00.0050.01513.89
5.3.290.0020.01813.38
5.3.280.0020.02213.26
5.3.270.0040.01913.32
5.3.260.0010.02313.33
5.3.250.0010.02013.34
5.3.240.0000.02513.31
5.3.230.0030.01813.35
5.3.220.0030.02813.29
5.3.210.0000.01913.30
5.3.200.0020.02213.32
5.3.190.0050.02313.32
5.3.180.0040.01713.26
5.3.170.0020.01913.24
5.3.160.0000.01913.26
5.3.150.0020.02113.29
5.3.140.0000.02213.24
5.3.130.0040.01913.32
5.3.120.0030.02813.26
5.3.110.0030.02313.25
5.3.100.0030.01712.99
5.3.90.0050.01513.05
5.3.80.0000.02812.99
5.3.70.0010.01913.03
5.3.60.0030.01513.04
5.3.50.0050.03013.02
5.3.40.0000.02012.95
5.3.30.0000.02012.90
5.3.20.0020.01912.88
5.3.10.0000.02212.87
5.3.00.0020.02112.84
5.2.170.0000.03010.93
5.2.160.0000.02711.09
5.2.150.0000.02311.12
5.2.140.0000.02311.22
5.2.130.0000.02710.93
5.2.120.0030.03010.98
5.2.110.0000.03711.12
5.2.100.0000.03711.09
5.2.90.0000.02711.10
5.2.80.0000.04011.09
5.2.70.0000.02311.05
5.2.60.0000.03010.93
5.2.50.0000.03011.01
5.2.40.0030.02310.98
5.2.30.0000.02311.02
5.2.20.0030.04010.95
5.2.10.0000.02310.90
5.2.00.0070.02310.77
5.1.60.0030.01710.41
5.1.50.0000.02010.41
5.1.40.0000.02010.41
5.1.30.0000.03310.41
5.1.20.0000.02010.41
5.1.10.0070.04310.41
5.1.00.0030.03010.41
5.0.50.0000.04710.41
5.0.40.0030.04310.41
5.0.30.0000.06010.41
5.0.20.0030.03710.41
5.0.10.0070.04010.41
5.0.00.0070.03010.41
4.4.90.0000.01310.41
4.4.80.0000.01310.41
4.4.70.0000.01310.41
4.4.60.0030.01310.41
4.4.50.0000.01310.41
4.4.40.0000.02010.41
4.4.30.0000.01310.41
4.4.20.0000.01710.41
4.4.10.0030.03010.41
4.4.00.0100.04310.41
4.3.110.0000.02710.41
4.3.100.0000.01710.41
4.3.90.0030.03010.41
4.3.80.0000.03310.41
4.3.70.0000.01710.41
4.3.60.0000.01710.41
4.3.50.0000.01710.41
4.3.40.0000.02310.41
4.3.30.0030.01310.41
4.3.20.0030.01310.41
4.3.10.0070.01010.41
4.3.00.0030.01310.41

preferences:
41.65 ms | 401 KiB | 5 Q