3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strspn("X" ^ "Number 10", "\0");

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)
8.3.40.0040.01118.68
8.3.30.0150.00018.83
8.3.20.0060.00320.14
8.3.10.0050.00320.36
8.3.00.0040.00419.25
8.2.170.0110.00722.96
8.2.160.0060.00920.33
8.2.150.0070.00024.18
8.2.140.0090.00024.66
8.2.130.0070.00026.16
8.2.120.0060.00322.05
8.2.110.0050.00320.53
8.2.100.0100.00318.03
8.2.90.0030.00619.07
8.2.80.0040.00417.97
8.2.70.0050.00317.25
8.2.60.0050.00317.91
8.2.50.0050.00318.07
8.2.40.0000.00918.04
8.2.30.0040.00419.11
8.2.20.0040.00417.61
8.2.10.0070.00017.98
8.2.00.0030.00617.46
8.1.270.0080.00023.89
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0040.00423.96
8.1.230.0110.00019.15
8.1.220.0050.00217.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0080.00018.10
8.1.170.0040.00418.56
8.1.160.0070.00022.07
8.1.150.0050.00218.71
8.1.140.0050.00517.23
8.1.130.0030.00317.77
8.1.120.0040.00417.32
8.1.110.0050.00217.38
8.1.100.0070.00017.31
8.1.90.0000.00717.22
8.1.80.0000.00717.21
8.1.70.0000.00717.29
8.1.60.0080.00017.46
8.1.50.0000.00817.39
8.1.40.0040.00417.37
8.1.30.0030.00517.41
8.1.20.0030.00617.36
8.1.10.0040.00417.32
8.1.00.0030.00617.38
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.23
8.0.270.0000.00717.14
8.0.260.0030.00317.19
8.0.250.0040.00416.83
8.0.240.0040.00416.80
8.0.230.0070.00016.83
8.0.220.0000.00716.79
8.0.210.0000.00716.80
8.0.200.0060.00016.70
8.0.190.0080.00016.71
8.0.180.0040.00416.82
8.0.170.0000.00816.70
8.0.160.0000.00716.65
8.0.150.0030.00316.62
8.0.140.0050.00516.75
8.0.130.0030.00313.21
8.0.120.0040.00416.63
8.0.110.0070.00016.80
8.0.100.0080.00016.64
8.0.90.0000.00716.62
8.0.80.0070.00716.62
8.0.70.0000.00716.57
8.0.60.0000.00816.72
8.0.50.0040.00416.79
8.0.30.0130.00916.90
8.0.20.0110.01317.40
8.0.10.0000.00816.70
8.0.00.0080.00916.65
7.4.330.0020.00215.07
7.4.320.0000.00616.48
7.4.300.0000.00616.44
7.4.290.0030.00316.46
7.4.280.0040.00516.36
7.4.270.0000.00616.47
7.4.260.0000.00716.36
7.4.250.0040.00416.28
7.4.240.0000.00716.36
7.4.230.0000.00716.29
7.4.220.0060.01716.48
7.4.210.0090.00516.52
7.4.200.0030.00316.53
7.4.160.0080.00816.41
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0130.00616.27
7.4.120.0090.00916.42
7.4.110.0050.01116.43
7.4.100.0100.00716.38
7.4.90.0050.01416.37
7.4.80.0090.00918.80
7.4.70.0120.00616.49
7.4.60.0030.01316.41
7.4.50.0060.00316.30
7.4.40.0090.01216.43
7.4.30.0080.01216.42
7.4.10.0100.00314.71
7.4.00.0110.00614.85
7.3.330.0000.00613.04
7.3.320.0030.00313.00
7.3.310.0000.00716.19
7.3.300.0030.00316.03
7.3.290.0100.00516.10
7.3.280.0080.00516.11
7.3.270.0110.00517.40
7.3.260.0120.00616.19
7.3.250.0050.01116.25
7.3.240.0090.00916.24
7.3.230.0090.00616.39
7.3.210.0080.00816.35
7.3.200.0090.01319.39
7.3.190.0190.02016.18
7.3.180.0210.00016.14
7.3.170.0120.00316.38
7.3.160.0030.01316.17
7.3.130.0030.01514.73
7.3.120.0030.01214.89
7.3.110.0090.00514.53
7.3.100.0070.00914.70
7.3.90.0050.00914.69
7.3.80.0020.01314.56
7.3.70.0050.00914.54
7.3.60.0070.00614.69
7.3.50.0000.01014.69
7.3.40.0120.00314.55
7.3.30.0030.01014.71
7.3.20.0020.01016.60
7.3.10.0060.00616.63
7.3.00.0060.00716.49
7.2.330.0130.00616.48
7.2.320.0160.00616.54
7.2.310.0060.01116.61
7.2.300.0100.00716.49
7.2.290.0130.00316.50
7.2.260.0080.00815.03
7.2.250.0080.01114.79
7.2.240.0060.01015.09
7.2.230.0050.00914.97
7.2.220.0060.00914.83
7.2.210.0060.00614.72
7.2.200.0040.00714.91
7.2.190.0090.00414.91
7.2.180.0050.01114.88
7.2.170.0080.00814.91
7.2.160.0030.00714.80
7.2.150.0090.00616.79
7.2.140.0110.00416.77
7.2.130.0000.01116.88
7.2.120.0000.01116.85
7.2.110.0030.00916.81
7.2.100.0000.01216.81
7.2.90.0060.00616.55
7.2.80.0000.01116.96
7.2.70.0040.00816.80
7.2.60.0030.01016.91
7.2.50.0040.00416.92
7.2.40.0040.01516.94
7.2.30.0090.00916.92
7.2.20.0030.01316.50
7.2.10.0060.00316.69
7.2.00.0020.01217.97
7.1.330.0020.01115.67
7.1.320.0020.01415.50
7.1.310.0050.00515.48
7.1.300.0030.01015.59
7.1.290.0020.01515.65
7.1.280.0060.01015.68
7.1.270.0060.00715.67
7.1.260.0040.00915.54
7.1.250.0030.00915.67
7.1.240.0070.00315.35
7.1.230.0080.00315.73
7.1.220.0030.00615.59
7.1.210.0030.00715.83
7.1.200.0030.00515.45
7.1.190.0000.01315.49
7.1.180.0060.00315.74
7.1.170.0060.00315.34
7.1.160.0030.01415.79
7.1.150.0090.00915.52
7.1.140.0100.00615.69
7.1.130.0040.01215.43
7.1.120.0030.01015.34
7.1.110.0040.00815.76
7.1.100.0050.00616.96
7.1.90.0060.00915.82
7.1.80.0040.00815.68
7.1.70.0110.00016.26
7.1.60.0100.00817.53
7.1.50.0080.00916.27
7.1.40.0060.01115.48
7.1.30.0110.00015.42
7.1.20.0060.00615.75
7.1.10.0030.01015.49
7.1.00.0060.03818.90
7.0.330.0030.00715.14
7.0.320.0040.00415.27
7.0.310.0110.00015.12
7.0.300.0030.00614.98
7.0.290.0000.01515.11
7.0.280.0070.01015.26
7.0.270.0080.00615.24
7.0.260.0080.00815.37
7.0.250.0080.00015.39
7.0.240.0030.01015.34
7.0.230.0070.00715.17
7.0.220.0100.00315.41
7.0.210.0030.00515.32
7.0.200.0060.00515.90
7.0.190.0140.00315.32
7.0.180.0100.00315.42
7.0.170.0000.01015.50
7.0.160.0030.00915.49
7.0.150.0030.01015.32
7.0.140.0020.04418.70
7.0.130.0030.00715.45
7.0.120.0080.00415.50
7.0.110.0000.00815.04
7.0.100.0040.00815.26
7.0.90.0030.01015.20
7.0.80.0120.00315.27
7.0.70.0030.01015.22
7.0.60.0080.03717.55
7.0.50.0030.05016.60
7.0.40.0100.04416.75
7.0.30.0250.02516.86
7.0.20.0240.03316.79
7.0.10.0070.03616.86
7.0.00.0000.02816.83
5.6.400.0040.00714.40
5.6.390.0060.00914.52
5.6.380.0070.00714.07
5.6.370.0070.00714.50
5.6.360.0030.01014.20
5.6.350.0030.01014.05
5.6.340.0030.00914.09
5.6.330.0030.01014.14
5.6.320.0060.00314.11
5.6.310.0070.00314.59
5.6.300.0070.00314.24
5.6.290.0120.00314.02
5.6.280.0000.01114.04
5.6.270.0000.01414.11
5.6.260.0000.01214.19
5.6.250.0060.01214.20
5.6.240.0030.00614.14
5.6.230.0120.00314.27
5.6.220.0000.00814.04
5.6.210.0040.04417.38
5.6.200.0080.03416.04
5.6.190.0020.02817.29
5.6.180.0300.04217.55
5.6.170.0240.02317.53
5.6.160.0070.04717.22
5.6.150.0080.04216.16
5.6.140.0100.03916.34
5.6.130.0050.03316.13
5.6.120.0070.02117.53
5.6.110.0050.02717.47
5.6.100.0060.04417.59
5.6.90.0120.04317.55
5.6.80.0070.04517.20
5.6.70.0060.00314.13
5.6.60.0070.00414.16
5.6.50.0000.01514.08
5.6.40.0030.01014.14
5.6.30.0070.00414.19
5.6.20.0030.01014.09
5.6.10.0030.01014.21
5.6.00.0040.00814.13
5.5.380.0090.00914.25
5.5.370.0040.01114.22
5.5.360.0040.00413.93
5.5.350.0130.04817.29
5.5.340.0150.02016.17
5.5.330.0100.04317.22
5.5.320.0270.04017.45
5.5.310.0200.02817.40
5.5.300.0030.04316.15
5.5.290.0020.02415.91
5.5.280.0080.03817.54
5.5.270.0070.03917.47
5.5.260.0030.03817.40
5.5.250.0110.02317.36
5.5.240.0100.04317.11
5.5.230.0070.00413.98
5.5.220.0000.01214.11
5.5.210.0100.00613.89
5.5.200.0000.00913.89
5.5.190.0030.01013.91
5.5.180.0030.01013.95
5.5.170.0060.00613.96
5.5.160.0070.00714.09
5.5.150.0040.00814.05
5.5.140.0070.00714.15
5.5.130.0000.01014.19
5.5.120.0040.00714.19
5.5.110.0030.00714.32
5.5.100.0060.00613.63
5.5.90.0070.00714.05
5.5.80.0100.00314.08
5.5.70.0030.01414.20
5.5.60.0080.00013.92
5.5.50.0060.00314.20
5.5.40.0060.00614.16
5.5.30.0030.00713.91
5.5.20.0030.01013.89
5.5.10.0000.01213.59
5.5.00.0070.00713.99
5.4.450.0150.03015.01
5.4.440.0510.03115.26
5.4.430.0340.03015.32
5.4.420.0230.03015.04
5.4.410.0420.02714.93
5.4.400.0290.02515.02
5.4.390.0500.03014.95
5.4.380.0200.03614.79
5.4.370.0200.03014.67
5.4.360.0150.02814.74
5.4.350.0250.03814.70
5.4.340.0220.03014.73
5.4.330.0030.00310.61
5.4.320.0080.01811.61
5.4.310.0040.02311.56
5.4.300.0040.02111.60
5.4.290.0040.02111.60
5.4.280.0040.02611.70
5.4.270.0060.01911.71
5.4.260.0050.02411.70
5.4.250.0040.02311.48
5.4.240.0040.02811.58
5.4.230.0030.02411.53
5.4.220.0030.02411.60
5.4.210.0060.01911.54
5.4.200.0060.02111.46
5.4.190.0050.02111.51
5.4.180.0050.02011.34
5.4.170.0040.02011.59
5.4.160.0070.01811.69
5.4.150.0110.01811.40
5.4.140.0050.02111.38
5.4.130.0040.02111.38
5.4.120.0030.02311.28
5.4.110.0090.02011.47
5.4.100.0040.02311.42
5.4.90.0080.02011.36
5.4.80.0050.02111.34
5.4.70.0030.02411.27
5.4.60.0060.01811.39
5.4.50.0060.01811.25
5.4.40.0050.02211.41
5.4.30.0040.02411.33
5.4.20.0060.02011.42
5.4.10.0060.01911.28
5.4.00.0040.02111.11
5.3.290.0080.04212.80
5.3.280.0050.04012.71
5.3.270.0090.03812.72
5.3.260.0060.04412.72
5.3.250.0040.04312.72
5.3.240.0090.03512.72
5.3.230.0060.04812.71
5.3.220.0050.03712.68
5.3.210.0060.03912.68
5.3.200.0050.03712.68
5.3.190.0070.03612.68
5.3.180.0050.04012.67
5.3.170.0080.03412.67
5.3.160.0050.04112.67
5.3.150.0070.03512.67
5.3.140.0080.03412.66
5.3.130.0070.03712.66
5.3.120.0080.03712.66
5.3.110.0080.03812.66
5.3.100.0040.04012.12
5.3.90.0070.03512.09
5.3.80.0060.03812.08
5.3.70.0080.03312.08
5.3.60.0070.04212.06
5.3.50.0070.03412.00
5.3.40.0070.03512.00
5.3.30.0060.03511.94
5.3.20.0050.03511.71
5.3.10.0040.03511.69
5.3.00.0060.03411.67
5.2.170.0040.0299.18
5.2.160.0060.0279.17
5.2.150.0030.0329.18
5.2.140.0050.0309.17
5.2.130.0060.0339.13
5.2.120.0060.0269.13
5.2.110.0070.0289.14
5.2.100.0090.0299.13
5.2.90.0070.0269.13
5.2.80.0060.0279.13
5.2.70.0070.0339.13
5.2.60.0080.0289.09
5.2.50.0080.0339.05
5.2.40.0050.0289.03
5.2.30.0050.0289.01
5.2.20.0060.0269.00
5.2.10.0070.0288.94
5.2.00.0050.0298.79
5.1.60.0070.0208.07
5.1.50.0030.0268.07
5.1.40.0040.0238.05
5.1.30.0040.0268.41
5.1.20.0030.0288.43
5.1.10.0070.0248.15
5.1.00.0050.0238.15
5.0.50.0010.0226.63
5.0.40.0030.0246.49
5.0.30.0020.0416.30
5.0.20.0010.0256.27
5.0.10.0030.0276.25
5.0.00.0040.0326.24
4.4.90.0030.0154.78
4.4.80.0050.0134.75
4.4.70.0010.0174.75
4.4.60.0020.0164.75
4.4.50.0030.0164.77
4.4.40.0050.0304.71
4.4.30.0020.0244.76
4.4.20.0060.0204.85
4.4.10.0050.0164.85
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0030.0164.63
4.3.80.0050.0274.59
4.3.70.0010.0164.63
4.3.60.0040.0164.63
4.3.50.0030.0194.63
4.3.40.0040.0234.54
4.3.30.0010.0213.29
4.3.20.0050.0163.27
4.3.10.0020.0183.23
4.3.00.0100.0206.99

preferences:
38.1 ms | 400 KiB | 5 Q