3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'asdfghkjqwertyiuasdfghkjqwertyaiusdfghkjxzcvbnmasdfgkjqwertasdfgjkzxcvbmnasdfgjkqwertiu'; for ($i = 0; $i < 10000; $i++) { $ss = substr($s, $i % strlen($s), 24); }

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)
8.3.60.0140.00718.18
8.3.50.0060.01122.74
8.3.40.0040.01118.62
8.3.30.0090.00618.97
8.3.20.0110.00720.26
8.3.10.0130.00323.65
8.3.00.0160.00319.38
8.2.180.0040.01116.63
8.2.170.0090.00622.96
8.2.160.0140.00720.40
8.2.150.0090.00024.18
8.2.140.0060.00924.66
8.2.130.0050.00226.16
8.2.120.0000.00820.99
8.2.110.0030.00622.02
8.2.100.0070.00420.58
8.2.90.0050.00319.05
8.2.80.0050.00317.97
8.2.70.0080.00017.63
8.2.60.0030.00617.93
8.2.50.0000.01018.07
8.2.40.0050.00318.22
8.2.30.0040.00418.07
8.2.20.0000.00817.67
8.2.10.0040.00417.98
8.2.00.0040.00417.82
8.1.280.0110.00725.92
8.1.270.0060.00323.87
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0070.00322.13
8.1.230.0000.01119.03
8.1.220.0000.00817.79
8.1.210.0050.00518.77
8.1.200.0070.00317.36
8.1.190.0080.00017.00
8.1.180.0030.00518.10
8.1.170.0080.00018.49
8.1.160.0050.00321.93
8.1.150.0050.00318.69
8.1.140.0080.00017.38
8.1.130.0050.00217.68
8.1.120.0000.00817.46
8.1.110.0030.00517.43
8.1.100.0030.00517.29
8.1.90.0000.00717.39
8.1.80.0030.00517.27
8.1.70.0040.00417.32
8.1.60.0030.00617.39
8.1.50.0050.00317.39
8.1.40.0050.00317.34
8.1.30.0040.00417.47
8.1.20.0030.00617.51
8.1.10.0000.00817.47
8.1.00.0030.00617.41
8.0.300.0000.00818.77
8.0.290.0050.00316.88
8.0.280.0040.00418.47
8.0.270.0000.00717.24
8.0.260.0000.00717.13
8.0.250.0000.00716.98
8.0.240.0000.00816.94
8.0.230.0040.00416.88
8.0.220.0000.00716.79
8.0.210.0000.00716.92
8.0.200.0040.00416.87
8.0.190.0070.00317.02
8.0.180.0060.00316.93
8.0.170.0030.00616.83
8.0.160.0000.00716.87
8.0.150.0040.00416.77
8.0.140.0080.00016.85
8.0.130.0000.00713.28
8.0.120.0080.00016.71
8.0.110.0000.00816.73
8.0.100.0000.00816.94
8.0.90.0000.00816.79
8.0.80.0080.00816.79
8.0.70.0000.00816.71
8.0.60.0000.00816.93
8.0.50.0030.00516.67
8.0.30.0110.01617.09
8.0.20.0130.01117.40
8.0.10.0000.00816.96
8.0.00.0140.00616.86
7.4.330.0000.00615.00
7.4.320.0000.00716.33
7.4.300.0030.00316.53
7.4.290.0060.00316.35
7.4.280.0040.00416.56
7.4.270.0090.00016.42
7.4.260.0030.00416.53
7.4.250.0000.00816.49
7.4.240.0040.00416.51
7.4.230.0080.00016.46
7.4.220.0120.00616.39
7.4.210.0000.01416.48
7.4.200.0030.00516.30
7.4.160.0140.01416.53
7.4.150.0090.00917.40
7.4.140.0120.01017.86
7.4.130.0080.01016.50
7.4.120.0140.00616.51
7.4.110.0060.01216.51
7.4.100.0070.01116.41
7.4.90.0120.01116.43
7.4.80.0070.01419.39
7.4.70.0080.01216.32
7.4.60.0070.01116.45
7.4.50.0000.00416.51
7.4.40.0100.00716.31
7.4.30.0060.01016.53
7.4.10.0060.01214.93
7.4.00.0090.00714.70
7.3.330.0060.00013.30
7.3.320.0060.00013.06
7.3.310.0000.00816.42
7.3.300.0000.00716.31
7.3.290.0040.01116.36
7.3.280.0090.00916.28
7.3.270.0090.00917.40
7.3.260.0090.01616.28
7.3.250.0150.00816.48
7.3.240.0030.01416.32
7.3.230.0100.00716.39
7.3.210.0060.01216.41
7.3.200.0110.00719.39
7.3.190.0120.00616.63
7.3.180.0180.00416.23
7.3.170.0070.01016.47
7.3.160.0100.00716.29
7.3.130.0000.01314.50
7.3.120.0000.01914.87
7.3.110.0000.01915.00
7.3.100.0090.00314.50
7.3.90.0030.01314.76
7.3.80.0040.00814.82
7.3.70.0000.01114.70
7.3.60.0000.01414.66
7.3.50.0060.00614.47
7.3.40.0040.00814.75
7.3.30.0080.00314.52
7.3.20.0070.00716.70
7.3.10.0030.00916.56
7.3.00.0070.00816.51
7.2.330.0060.01216.51
7.2.320.0030.01416.62
7.2.310.0110.01416.36
7.2.300.0120.00616.64
7.2.290.0120.00916.65
7.2.260.0040.01415.16
7.2.250.0060.01014.96
7.2.240.0060.00915.16
7.2.230.0090.00614.90
7.2.220.0000.01014.80
7.2.210.0030.00914.90
7.2.200.0090.00615.01
7.2.190.0060.01015.02
7.2.180.0000.01315.07
7.2.170.0090.00615.09
7.2.160.0000.01315.01
7.2.150.0090.00616.93
7.2.140.0030.01016.66
7.2.130.0070.00616.99
7.2.120.0100.00616.86
7.2.110.0050.00816.95
7.2.100.0060.01116.70
7.2.90.0060.00816.84
7.2.80.0050.01216.86
7.2.70.0070.00917.01
7.2.60.0060.00916.89
7.2.50.0040.01016.82
7.2.40.0050.00817.00
7.2.30.0070.00916.96
7.2.20.0070.00616.89
7.2.10.0070.00716.94
7.2.00.0030.01117.24
7.1.330.0150.00415.78
7.1.320.0100.00715.75
7.1.310.0000.01716.11
7.1.300.0000.01415.93
7.1.290.0000.01215.52
7.1.280.0030.00915.80
7.1.270.0000.01615.85
7.1.260.0000.01715.75
7.1.250.0070.00915.75
7.1.240.0060.01015.73
7.1.230.0030.01415.81
7.1.220.0030.01015.97
7.1.210.0030.01315.92
7.1.200.0050.01015.90
7.1.190.0100.00615.92
7.1.180.0060.00915.49
7.1.170.0110.00315.56
7.1.160.0000.01615.78
7.1.150.0040.00815.91
7.1.140.0080.00315.57
7.1.130.0070.00715.56
7.1.120.0080.00815.86
7.1.110.0000.01015.65
7.1.100.0110.00816.91
7.1.90.0030.00815.88
7.1.80.0040.01115.85
7.1.70.0100.00616.59
7.1.60.0050.01817.48
7.1.50.0030.01916.32
7.1.40.0060.00715.81
7.1.30.0000.01515.85
7.1.20.0030.01315.62
7.1.10.0030.00715.63
7.1.00.0080.04119.04
7.0.330.0040.01115.35
7.0.320.0090.00315.46
7.0.310.0000.01415.52
7.0.300.0060.01015.43
7.0.290.0040.01115.45
7.0.280.0110.00715.27
7.0.270.0090.00915.58
7.0.260.0070.00715.36
7.0.250.0100.00315.54
7.0.240.0130.00315.11
7.0.230.0050.00515.61
7.0.220.0070.01115.46
7.0.210.0030.01515.47
7.0.200.0040.00915.92
7.0.190.0070.00415.51
7.0.180.0100.00315.47
7.0.170.0060.00915.61
7.0.160.0000.00915.27
7.0.150.0090.00315.23
7.0.140.0030.04118.77
7.0.130.0040.00815.20
7.0.120.0000.01215.41
7.0.110.0090.00615.09
7.0.100.0030.01115.41
7.0.90.0070.00715.54
7.0.80.0110.00715.44
7.0.70.0060.00315.51
7.0.60.0090.04417.75
7.0.50.0030.04316.73
7.0.40.0080.04816.78
7.0.30.0190.04416.79
7.0.20.0200.04216.88
7.0.10.0170.04516.96
7.0.00.0090.03116.82
5.6.400.0070.01314.65
5.6.390.0000.01414.09
5.6.380.0040.01414.43
5.6.370.0100.00614.59
5.6.360.0070.01014.29
5.6.350.0100.01313.89
5.6.340.0070.01014.24
5.6.330.0060.01214.31
5.6.320.0070.01314.50
5.6.310.0070.01714.05
5.6.300.0030.01214.25
5.6.290.0000.01314.55
5.6.280.0050.04317.66
5.6.270.0100.00714.37
5.6.260.0000.01614.56
5.6.250.0060.01214.35
5.6.240.0040.01814.31
5.6.230.0140.00714.33
5.6.220.0060.00914.25
5.6.210.0060.05117.40
5.6.200.0080.04816.07
5.6.190.0080.02317.52
5.6.180.0200.03717.38
5.6.170.0130.03117.40
5.6.160.0050.05417.39
5.6.150.0050.05316.21
5.6.140.0030.04216.08
5.6.130.0070.03416.19
5.6.120.0060.04617.54
5.6.110.0100.04517.57
5.6.100.0060.04117.56
5.6.90.0070.04617.63
5.6.80.0070.04817.42
5.6.70.0220.03417.35
5.6.60.0030.01014.12
5.6.50.0030.01014.01
5.6.40.0030.01014.09
5.6.30.0130.00713.96
5.6.20.0000.01314.31
5.6.10.0120.00914.25
5.6.00.0120.00914.12
5.5.380.0000.02013.99
5.5.370.0030.01414.39
5.5.360.0090.00914.33
5.5.350.0070.05117.31
5.5.340.0030.04216.24
5.5.330.0000.04617.41
5.5.320.0080.04817.44
5.5.310.0210.04917.38
5.5.300.0060.04016.14
5.5.290.0050.03616.16
5.5.280.0030.03117.54
5.5.270.0050.04517.61
5.5.260.0080.03417.40
5.5.250.0020.03217.33
5.5.240.0030.04017.27
5.5.230.0040.01114.18
5.5.220.0130.00613.82
5.5.210.0000.01814.01
5.5.200.0030.01214.36
5.5.190.0060.01213.99
5.5.180.0030.01314.47
5.5.170.0000.01814.33
5.5.160.0040.01814.23
5.5.150.0090.00914.04
5.5.140.0040.01514.27
5.5.130.0030.01314.02
5.5.120.0060.01214.18
5.5.110.0000.01514.26
5.5.100.0000.02014.33
5.5.90.0030.01514.24
5.5.80.0060.01314.07
5.5.70.0060.01514.26
5.5.60.0090.00914.03
5.5.50.0030.01714.40
5.5.40.0120.00914.42
5.5.30.0100.01414.03
5.5.20.0030.01614.04
5.5.10.0000.01413.97
5.5.00.0090.01214.09
5.4.450.0150.02815.24
5.4.440.0150.02215.07
5.4.430.0120.02715.10
5.4.420.0050.03115.31
5.4.410.0110.02415.11
5.4.400.0080.02715.04
5.4.390.0130.03314.78
5.4.380.0120.04615.04
5.4.370.0130.04015.06
5.4.360.0100.03215.04
5.4.350.0130.02514.90
5.4.340.0120.02415.00
5.4.330.0030.01310.98
5.4.320.0150.02114.82
5.4.310.0130.04214.91
5.4.300.0150.03314.78
5.4.290.0080.04015.06
5.4.280.0120.03315.04
5.4.270.0130.04314.97
5.4.260.0100.03914.99
5.4.250.0170.04215.05
5.4.240.0080.03614.96
5.4.230.0130.02815.09
5.4.220.0110.03214.96
5.4.210.0120.04414.94
5.4.200.0160.03514.75
5.4.190.0070.02714.88
5.4.180.0160.04014.96
5.4.170.0150.04014.85
5.4.160.0130.02714.87
5.4.150.0180.02814.80
5.4.140.0130.04013.62
5.4.130.0150.04013.48
5.4.120.0100.04713.59
5.4.110.0080.03013.65
5.4.100.0150.02113.59
5.4.90.0100.04613.63
5.4.80.0180.03813.63
5.4.70.0100.02213.55
5.4.60.0120.02413.66
5.4.50.0170.04213.72
5.4.40.0130.02513.71
5.4.30.0150.04013.70
5.4.20.0100.02613.70
5.4.10.0130.04213.58
5.4.00.0070.02913.29
5.3.290.0230.06014.51
5.3.280.0070.05014.54
5.3.270.0230.07714.54
5.3.260.0130.04314.43
5.3.250.0270.04014.46
5.3.240.0270.04014.45
5.3.230.0230.07714.43
5.3.220.0200.05014.40
5.3.210.0200.03714.39
5.3.200.0200.07714.50
5.3.190.0230.07314.39
5.3.180.0100.04714.49
5.3.170.0170.08014.57
5.3.160.0070.06314.50
5.3.150.0170.05714.39
5.3.140.0170.04714.53
5.3.130.0300.06714.64
5.3.120.0230.06714.48
5.3.110.0270.06714.39
5.3.100.0130.07313.87
5.3.90.0200.07313.92
5.3.80.0170.07313.80
5.3.70.0130.04713.92
5.3.60.0270.05714.02
5.3.50.0230.07013.78
5.3.40.0230.07313.89
5.3.30.0270.06713.84
5.3.20.0170.07013.67
5.3.10.0200.05713.68
5.3.00.0270.03313.48
5.2.170.0170.06011.19
5.2.160.0200.04011.15
5.2.150.0170.03310.98
5.2.140.0070.03711.18
5.2.130.0230.03711.00
5.2.120.0170.04710.94
5.2.110.0170.05010.95
5.2.100.0170.03311.11
5.2.90.0170.06010.95
5.2.80.0130.07010.95
5.2.70.0070.05010.93
5.2.60.0170.06711.09
5.2.50.0130.06010.96
5.2.40.0170.03311.04
5.2.30.0170.03011.11
5.2.20.0130.03010.84
5.2.10.0130.04010.85
5.2.00.0100.03010.78
5.1.60.0100.02710.00
5.1.50.0100.0279.85
5.1.40.0130.02310.05
5.1.30.0100.03310.44
5.1.20.0130.02710.24
5.1.10.0100.0279.95
5.1.00.0070.0309.93
5.0.50.0030.0278.44
5.0.40.0100.0278.48
5.0.30.0100.0308.26
5.0.20.0100.0208.29
5.0.10.0030.0278.29
5.0.00.0070.0338.02
4.4.90.0030.0206.32
4.4.80.0030.0236.32
4.4.70.0070.0206.32
4.4.60.0030.0276.32
4.4.50.0030.0206.32
4.4.40.0100.0336.32
4.4.30.0100.0176.32
4.4.20.0070.0206.32
4.4.10.0070.0206.32
4.4.00.0030.0306.32
4.3.110.0100.0136.32
4.3.100.0100.0136.32
4.3.90.0100.0136.32
4.3.80.0030.0306.32
4.3.70.0070.0236.32
4.3.60.0030.0206.32
4.3.50.0070.0206.32
4.3.40.0070.0306.32
4.3.30.0070.0206.32
4.3.20.0070.0206.32
4.3.10.0000.0276.32
4.3.00.0030.0236.32

preferences:
46.06 ms | 401 KiB | 5 Q