3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "ssssaaaaaaa"; $count = 0; echo count($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)
8.3.40.0090.00618.66
8.3.30.0120.00318.44
8.3.20.0050.00320.26
8.3.10.0080.00021.68
8.3.00.0000.00819.56
8.2.170.0070.00722.96
8.2.160.0040.01120.37
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00726.16
8.2.120.0000.00817.50
8.2.110.0060.00322.20
8.2.100.0080.00417.63
8.2.90.0000.00719.14
8.2.80.0060.00617.97
8.2.70.0030.00617.50
8.2.60.0040.00417.92
8.2.50.0060.00318.07
8.2.40.0040.00419.48
8.2.30.0100.00019.95
8.2.20.0000.00817.84
8.2.10.0050.00318.10
8.2.00.0060.00317.98
8.1.270.0100.00720.39
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00322.61
8.1.230.0060.00617.42
8.1.220.0000.00717.88
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0030.00617.23
8.1.180.0070.00018.10
8.1.170.0080.00018.64
8.1.160.0000.00722.05
8.1.150.0000.00718.92
8.1.140.0060.00317.43
8.1.130.0080.00017.73
8.1.120.0040.00417.51
8.1.110.0050.00317.36
8.1.100.0040.00417.48
8.1.90.0000.00717.45
8.1.80.0050.00317.45
8.1.70.0030.00317.31
8.1.60.0040.00417.60
8.1.50.0050.00317.34
8.1.40.0080.00017.36
8.1.30.0000.01117.66
8.1.20.0000.00717.64
8.1.10.0000.00717.60
8.1.00.0000.00817.56
8.0.300.0070.00018.77
8.0.290.0040.00416.61
8.0.280.0000.00718.37
8.0.270.0030.00317.20
8.0.260.0090.00017.19
8.0.250.0000.00716.96
8.0.240.0060.00016.93
8.0.230.0080.00016.94
8.0.220.0030.00316.89
8.0.210.0000.00716.87
8.0.200.0000.00716.82
8.0.190.0060.00316.83
8.0.180.0070.00016.95
8.0.170.0070.00016.97
8.0.160.0070.00016.88
8.0.150.0000.00716.88
8.0.140.0030.00616.87
8.0.130.0030.00313.36
8.0.120.0040.00416.89
8.0.110.0080.00016.77
8.0.100.0000.00716.71
8.0.90.0050.00216.95
8.0.80.0040.01116.87
8.0.70.0030.00516.81
8.0.60.0040.00416.83
8.0.50.0040.00417.05
8.0.30.0130.00517.01
8.0.20.0080.01117.41
8.0.10.0030.00516.93
8.0.00.0130.00616.78
7.4.330.0000.00515.08
7.4.320.0030.00316.63
7.4.300.0060.00016.62
7.4.290.0000.00716.49
7.4.280.0040.00416.57
7.4.270.0030.00316.58
7.4.260.0030.00316.60
7.4.250.0040.00416.39
7.4.240.0040.00316.52
7.4.230.0030.00316.37
7.4.220.0110.00416.45
7.4.210.0070.00716.41
7.4.200.0000.00716.67
7.4.160.0110.00416.66
7.4.150.0120.00617.40
7.4.140.0100.01217.86
7.4.130.0100.01016.58
7.4.120.0100.00716.54
7.4.110.0090.00916.52
7.4.100.0120.00916.57
7.4.90.0140.00316.33
7.4.80.0060.01019.39
7.4.70.0160.00016.43
7.4.60.0040.01216.65
7.4.50.0040.00416.31
7.4.40.0120.00316.61
7.4.30.0100.00616.74
7.4.00.0090.00314.86
7.3.330.0000.00513.00
7.3.320.0050.00013.07
7.3.310.0040.00416.32
7.3.300.0030.00516.09
7.3.290.0080.00816.24
7.3.280.0150.00516.25
7.3.270.0110.00617.40
7.3.260.0140.00516.34
7.3.250.0090.00816.32
7.3.240.0100.00716.35
7.3.230.0140.00816.39
7.3.210.0110.00716.36
7.3.200.0040.01216.23
7.3.190.0090.00916.29
7.3.180.0110.00416.24
7.3.170.0120.00616.32
7.3.160.0090.01216.23
7.3.10.0030.01016.41
7.3.00.0040.00416.52
7.2.330.0070.01016.36
7.2.320.0220.00016.37
7.2.310.0060.00916.66
7.2.300.0120.00616.59
7.2.290.0120.00916.24
7.2.130.0040.00416.61
7.2.120.0040.00416.58
7.2.110.0040.00416.50
7.2.100.0060.00316.26
7.2.90.0030.01316.39
7.2.80.0080.00316.68
7.2.70.0000.01316.49
7.2.60.0050.00716.76
7.2.50.0060.00616.93
7.2.40.0040.00816.89
7.2.30.0090.00616.89
7.2.20.0160.00316.74
7.2.10.0040.01216.67
7.2.00.0050.00917.76
7.1.250.0110.00315.27
7.1.240.0040.01115.07
7.1.230.0080.00415.49
7.1.220.0030.00615.09
7.1.210.0080.00015.23
7.1.200.0000.01015.59
7.1.190.0000.00915.30
7.1.180.0080.00415.70
7.1.170.0060.00615.72
7.1.160.0030.00915.58
7.1.150.0070.00715.50
7.1.140.0110.00415.51
7.1.130.0070.00315.64
7.1.120.0060.00315.72
7.1.110.0030.00615.71
7.1.100.0020.00916.81
7.1.90.0000.01215.72
7.1.80.0000.00915.61
7.1.70.0030.00716.19
7.1.60.0060.01117.34
7.1.50.0090.00816.16
7.1.40.0040.00815.58
7.1.30.0110.00315.45
7.1.20.0060.00315.63
7.1.10.0030.00715.59
7.1.00.0050.04119.05
7.0.330.0060.00615.13
7.0.320.0000.01015.22
7.0.310.0060.00614.86
7.0.300.0090.00315.22
7.0.290.0000.01114.96
7.0.280.0040.00415.16
7.0.270.0030.00915.35
7.0.260.0040.01115.19
7.0.250.0050.00315.41
7.0.240.0100.00715.06
7.0.230.0140.00014.81
7.0.220.0060.00315.44
7.0.210.0060.00315.32
7.0.200.0080.00715.98
7.0.190.0030.01015.21
7.0.180.0000.00915.11
7.0.170.0000.00915.54
7.0.160.0040.00815.08
7.0.150.0120.00415.46
7.0.140.0080.00415.25
7.0.130.0060.00315.51
7.0.120.0000.01415.22
7.0.110.0050.00815.54
7.0.100.0060.00615.23
7.0.90.0070.00415.01
7.0.80.0070.00715.13
7.0.70.0000.01115.11
7.0.60.0030.05017.57
7.0.50.0080.03516.51
7.0.40.0090.03916.84
7.0.30.0140.02316.45
7.0.20.0180.04316.79
7.0.10.0070.02016.61
7.0.00.0060.02516.73
5.6.380.0030.00613.89
5.6.370.0110.00314.20
5.6.360.0090.00614.06
5.6.350.0070.01114.22
5.6.340.0040.01414.48
5.6.330.0110.00814.03
5.6.320.0040.00414.23
5.6.310.0100.00314.48
5.6.300.0070.00014.24
5.6.290.0000.01314.34
5.6.280.0050.02817.71
5.6.270.0030.01214.13
5.6.260.0070.00714.36
5.6.250.0110.00414.36
5.6.240.0090.00914.41
5.6.230.0120.00614.07
5.6.220.0000.00814.10
5.6.210.0050.04417.36
5.6.200.0090.01816.17
5.6.190.0030.03617.36
5.6.180.0170.04017.25
5.6.170.0180.03317.14
5.6.160.0050.03417.39
5.6.150.0040.02216.15
5.6.140.0070.04216.00
5.6.130.0020.03616.03
5.6.120.0090.02317.49
5.6.110.0050.04817.40
5.6.100.0050.02217.46
5.6.90.0020.03017.43
5.6.80.0020.04717.14
5.6.70.0120.03617.04
5.6.60.0040.00814.14
5.6.50.0000.01413.88
5.6.40.0000.00714.03
5.6.30.0100.00313.97
5.6.20.0040.01113.93
5.6.10.0100.00014.32
5.6.00.0070.00713.92
5.5.380.0080.00310.91
5.5.370.0030.00711.05
5.5.360.0000.00610.81
5.5.350.0180.04015.67
5.5.340.0080.04214.41
5.5.330.0080.03315.33
5.5.320.0030.02115.58
5.5.310.0150.02315.69
5.5.300.0060.03314.39
5.5.290.0070.03114.25
5.5.280.0030.02515.88
5.5.270.0090.04115.84
5.5.260.0090.04215.88
5.5.250.0050.03515.71
5.5.240.0120.03915.48
5.5.230.0000.01010.48
5.5.220.0030.00310.48
5.5.210.0060.00610.77
5.5.200.0030.00710.82
5.5.190.0000.00610.61
5.5.180.0060.00310.91
5.5.170.0000.00610.69
5.5.160.0050.00210.94
5.5.150.0030.00810.82
5.5.140.0050.00010.96
5.5.130.0000.01210.78
5.5.120.0000.00810.89
5.5.110.0030.01010.93
5.5.100.0030.00710.58
5.5.90.0060.00310.84
5.5.80.0040.00710.79
5.5.70.0060.00610.84
5.5.60.0000.01310.68
5.5.50.0040.00810.64
5.5.40.0000.01110.59
5.5.30.0000.01310.73
5.5.20.0000.01210.67
5.5.10.0030.00710.58
5.5.00.0030.00310.61
5.4.450.0480.03015.24
5.4.440.0540.02614.92
5.4.430.0480.03814.79
5.4.420.0500.03115.05
5.4.410.0570.02215.24
5.4.400.0500.02615.08
5.4.390.0520.02714.66
5.4.380.0580.03814.88
5.4.370.0540.02514.89
5.4.360.0410.02914.99
5.4.350.0450.02715.15
5.4.340.0320.03415.07
5.4.330.0070.00010.68
5.4.320.0380.02814.93
5.4.310.0350.03114.69
5.4.300.0400.02714.92
5.4.290.0370.03014.71
5.4.280.0520.02514.87
5.4.270.0480.02814.62
5.4.260.0530.02314.94
5.4.250.0350.03514.62
5.4.240.0400.03014.83
5.4.230.0400.02814.78
5.4.220.0370.02914.88
5.4.210.0410.02614.81
5.4.200.0420.02514.88
5.4.190.0450.03214.78
5.4.180.0470.02314.82
5.4.170.0510.02814.83
5.4.160.0500.02915.04
5.4.150.0520.03514.99
5.4.140.0410.02613.57
5.4.130.0380.02613.65
5.4.120.0460.03113.59
5.4.110.0430.02913.67
5.4.100.0450.03013.63
5.4.90.0370.03113.55
5.4.80.0610.03713.64
5.4.70.0110.02113.64
5.4.60.0140.02113.55
5.4.50.0040.02413.36
5.4.40.0040.03013.61
5.4.30.0030.02313.65
5.4.20.0020.02013.58
5.4.10.0060.00310.95
5.4.00.0030.00610.93

preferences:
53.24 ms | 400 KiB | 5 Q