3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Room Service from'; echo strpos('room service',strtolower($str));

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)
8.3.40.0140.00718.71
8.3.30.0070.00718.84
8.3.20.0000.00720.30
8.3.10.0000.00723.70
8.3.00.0050.00319.26
8.2.170.0110.00422.96
8.2.160.0090.00920.51
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00422.08
8.2.110.0030.00620.27
8.2.100.0080.00317.79
8.2.90.0000.00918.22
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0080.00019.82
8.2.30.0050.00317.96
8.2.20.0000.00817.58
8.2.10.0040.00417.91
8.2.00.0040.00417.48
8.1.270.0040.00423.85
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00422.14
8.1.230.0040.00720.89
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.22
8.1.180.0060.00318.10
8.1.170.0060.00318.36
8.1.160.0070.00321.82
8.1.150.0090.00018.47
8.1.140.0030.00617.28
8.1.130.0000.00717.81
8.1.120.0040.00417.42
8.1.110.0030.00617.38
8.1.100.0040.00417.27
8.1.90.0040.00417.43
8.1.80.0000.00817.44
8.1.70.0000.00717.32
8.1.60.0150.00017.51
8.1.50.0040.00417.50
8.1.40.0050.00217.45
8.1.30.0040.00417.32
8.1.20.0020.00517.41
8.1.10.0060.00317.45
8.1.00.0050.00317.48
8.0.300.0040.00420.07
8.0.290.0070.00017.18
8.0.280.0030.00318.50
8.0.270.0000.00717.28
8.0.260.0030.00317.29
8.0.250.0060.00016.92
8.0.240.0040.00416.89
8.0.230.0030.00316.83
8.0.220.0000.00716.76
8.0.210.0030.00316.78
8.0.200.0030.00316.89
8.0.190.0000.00816.76
8.0.180.0040.00416.82
8.0.170.0040.00416.74
8.0.160.0000.00716.79
8.0.150.0030.00316.71
8.0.140.0000.00716.73
8.0.130.0000.00613.23
8.0.120.0050.00316.81
8.0.110.0000.00716.78
8.0.100.0030.00516.63
8.0.90.0040.00416.83
8.0.80.0090.00616.88
8.0.70.0000.00716.81
8.0.60.0000.00716.61
8.0.50.0000.00716.70
8.0.30.0070.01116.86
8.0.20.0110.00817.40
8.0.10.0040.00416.97
8.0.00.0100.00716.61
7.4.330.0050.00015.07
7.4.320.0080.00016.52
7.4.300.0060.00016.42
7.4.290.0030.00316.32
7.4.280.0080.00016.43
7.4.270.0000.00716.57
7.4.260.0040.00416.41
7.4.250.0000.00716.41
7.4.240.0050.00216.52
7.4.230.0030.00316.18
7.4.220.0120.00716.57
7.4.210.0060.01016.52
7.4.200.0030.00316.50
7.4.190.0070.00016.57
7.4.160.0000.01516.24
7.4.150.0090.00917.40
7.4.140.0130.00517.86
7.4.130.0100.00716.31
7.4.120.0060.01116.45
7.4.110.0110.00516.28
7.4.100.0110.00916.50
7.4.90.0070.01016.42
7.4.80.0060.01519.39
7.4.70.0070.01016.43
7.4.60.0060.01316.30
7.4.50.0000.00816.50
7.4.40.0090.00616.42
7.4.30.0030.01416.28
7.4.00.0040.01414.78
7.3.330.0000.00612.92
7.3.320.0030.00312.99
7.3.310.0050.00216.13
7.3.300.0000.00716.14
7.3.290.0100.01016.13
7.3.280.0090.00816.20
7.3.270.0030.01317.40
7.3.260.0030.01416.61
7.3.250.0070.01016.28
7.3.240.0030.01316.18
7.3.230.0120.01216.39
7.3.210.0070.01016.15
7.3.200.0120.00619.39
7.3.190.0060.01116.22
7.3.180.0130.01016.10
7.3.170.0070.01016.53
7.3.160.0120.00316.37
7.3.120.0040.01214.84
7.3.110.0000.01114.75
7.3.100.0090.00614.78
7.3.90.0030.00614.41
7.3.80.0060.00614.89
7.3.70.0000.01314.79
7.3.60.0000.00914.65
7.3.50.0030.01014.44
7.3.40.0020.00514.55
7.3.30.0030.01014.81
7.3.20.0080.00416.68
7.3.10.0040.01216.66
7.3.00.0060.00616.52
7.2.330.0170.00716.40
7.2.320.0040.01416.52
7.2.310.0040.01216.56
7.2.300.0080.00816.48
7.2.290.0090.01216.61
7.2.240.0040.01214.89
7.2.230.0070.01015.04
7.2.220.0060.00614.79
7.2.210.0060.00314.66
7.2.200.0040.01515.05
7.2.190.0040.00414.66
7.2.180.0060.00614.76
7.2.170.0000.01315.01
7.2.160.0160.00014.94
7.2.150.0060.01016.89
7.2.140.0040.01216.89
7.2.130.0060.00616.67
7.2.120.0050.01116.72
7.2.110.0010.01716.77
7.2.100.0050.00916.75
7.2.90.0110.00816.84
7.2.80.0080.00716.87
7.2.70.0050.01116.82
7.2.60.0020.01416.88
7.2.50.0080.00816.68
7.2.40.0080.00316.87
7.2.30.0040.01216.88
7.2.20.0030.00916.67
7.2.10.0090.00516.65
7.2.00.0020.01217.59
7.1.330.0060.00915.80
7.1.320.0090.00915.65
7.1.310.0090.00615.62
7.1.300.0070.00715.64
7.1.290.0110.00415.76
7.1.280.0030.00315.84
7.1.270.0060.00615.54
7.1.260.0000.00915.79
7.1.250.0060.00715.50
7.1.240.0070.00715.38
7.1.230.0040.00715.37
7.1.220.0000.01215.56
7.1.210.0030.01015.88
7.1.200.0030.00915.79
7.1.190.0000.01115.63
7.1.180.0030.01415.45
7.1.170.0070.00715.77
7.1.160.0130.00315.84
7.1.150.0030.00915.42
7.1.140.0070.00715.69
7.1.130.0090.00615.34
7.1.120.0060.00315.59
7.1.110.0040.00815.87
7.1.100.0090.00416.71
7.1.90.0080.00415.70
7.1.80.0000.01515.78
7.1.70.0070.00516.29
7.1.60.0020.01016.49
7.1.50.0110.01116.24
7.1.40.0110.00315.76
7.1.30.0090.00015.72
7.1.20.0060.00715.83
7.1.10.0040.00415.56
7.1.00.0030.04319.11
7.0.330.0000.00714.98
7.0.320.0120.00415.31
7.0.310.0040.00715.48
7.0.300.0060.00615.36
7.0.290.0070.00715.48
7.0.280.0070.00415.36
7.0.270.0030.00615.44
7.0.260.0040.00815.04
7.0.250.0130.00015.46
7.0.240.0070.00715.27
7.0.230.0090.00315.25
7.0.220.0070.00715.28
7.0.210.0060.00615.37
7.0.200.0030.00715.81
7.0.190.0040.00415.27
7.0.180.0040.00815.22
7.0.170.0030.00614.91
7.0.160.0130.00315.29
7.0.150.0080.00415.27
7.0.140.0050.04018.72
7.0.130.0070.00715.47
7.0.120.0060.00315.36
7.0.110.0040.00715.11
7.0.100.0100.00315.09
7.0.90.0030.00915.46
7.0.80.0090.00315.25
7.0.70.0030.00615.40
7.0.60.0050.03517.57
7.0.50.0110.04116.51
7.0.40.0110.02016.78
7.0.30.0200.03416.71
7.0.20.0190.02516.73
7.0.10.0040.02716.77
7.0.00.0150.03816.81
5.6.380.0030.01014.46
5.6.370.0090.00314.32
5.6.360.0060.00614.51
5.6.350.0060.00614.33
5.6.340.0000.01414.46
5.6.330.0000.01414.33
5.6.320.0030.01014.40
5.6.310.0040.00713.86
5.6.300.0070.00414.09
5.6.290.0030.00614.45
5.6.280.0060.04117.59
5.6.270.0070.00714.19
5.6.260.0030.00914.31
5.6.250.0100.00314.09
5.6.240.0070.00714.43
5.6.230.0080.00513.99
5.6.220.0030.01014.06
5.6.210.0070.01917.36
5.6.200.0050.02716.18
5.6.190.0120.03017.37
5.6.180.0230.04617.42
5.6.170.0080.02917.28
5.6.160.0080.02217.39
5.6.150.0080.01816.23
5.6.140.0040.03416.22
5.6.130.0040.03116.18
5.6.120.0080.03917.75
5.6.110.0050.04717.53
5.6.100.0090.03917.40
5.6.90.0070.02717.75
5.6.80.0160.02817.34
5.6.70.0000.01314.43
5.6.60.0080.00014.35
5.6.50.0040.00814.22
5.6.40.0040.01113.92
5.6.30.0060.00614.18
5.6.20.0000.01413.98
5.6.10.0050.00514.26
5.6.00.0040.00413.97
5.5.380.0090.00310.73
5.5.370.0080.00010.70
5.5.360.0000.00610.81
5.5.350.0170.03615.48
5.5.340.0080.03914.48
5.5.330.0100.02715.69
5.5.320.0230.03515.67
5.5.310.0120.02215.71
5.5.300.0050.02314.49
5.5.290.0050.02314.46
5.5.280.0070.03215.84
5.5.270.0050.04815.96
5.5.260.0070.02315.81
5.5.250.0030.04315.52
5.5.240.0000.03915.56
5.5.230.0060.00310.75
5.5.220.0080.00410.91
5.5.210.0050.00311.00
5.5.200.0000.00710.70
5.5.190.0090.00010.94
5.5.180.0070.00010.67
5.5.170.0030.00710.86
5.5.160.0070.00010.91
5.5.150.0060.00610.69
5.5.140.0100.00010.86
5.5.130.0060.00610.43
5.5.120.0040.00410.86
5.5.110.0040.00710.89
5.5.100.0090.00310.70
5.5.90.0060.00010.55
5.5.80.0070.00411.08
5.5.70.0060.00610.65
5.5.60.0040.00811.00
5.5.50.0050.00510.73
5.5.40.0030.00510.99
5.5.30.0030.00910.74
5.5.20.0080.00411.09
5.5.10.0060.00610.99
5.5.00.0000.00710.71
5.4.450.0850.02315.26
5.4.440.0840.02315.19
5.4.430.0830.02315.05
5.4.420.0820.02215.25
5.4.410.0980.02315.09
5.4.400.0910.02415.02
5.4.390.0710.02314.97
5.4.380.0000.04514.88
5.4.370.0070.03914.96
5.4.360.0420.02714.92
5.4.350.0830.02414.99
5.4.340.0880.02315.06
5.4.330.0050.00210.64
5.4.320.0780.02214.91
5.4.310.0860.02114.91
5.4.300.0850.02215.00
5.4.290.0990.02414.87
5.4.280.0860.01814.74
5.4.270.0940.02015.00
5.4.260.0830.02615.03
5.4.250.0830.02415.07
5.4.240.0710.02114.81
5.4.230.0040.03014.95
5.4.220.0030.02514.85
5.4.210.0440.03414.78
5.4.200.0960.02615.11
5.4.190.0970.02415.09
5.4.180.0870.02215.00
5.4.170.0900.02214.99
5.4.160.0830.02515.01
5.4.150.0910.02314.79
5.4.140.0880.02413.61
5.4.130.0990.02513.58
5.4.120.0830.01513.39
5.4.110.0900.02213.62
5.4.100.0190.02613.60
5.4.90.0040.02413.46
5.4.80.0160.03513.59
5.4.70.0900.02413.65
5.4.60.0270.02513.64
5.4.50.0080.03313.49
5.4.40.0100.02513.57
5.4.30.0980.02313.66
5.4.20.0880.02013.60
5.4.10.0800.02413.67
5.4.00.0820.02213.21
5.3.290.0850.02012.49
5.3.280.0920.02812.52
5.3.270.0950.02512.45
5.3.260.0820.02012.48
5.3.250.0070.02012.47
5.3.240.0020.04112.46
5.3.230.0100.02312.43
5.3.220.0830.02012.34
5.3.210.0860.02312.45
5.3.200.0960.02212.26
5.3.190.1010.02012.44
5.3.180.0930.02412.46
5.3.170.0920.02312.36
5.3.160.0920.02312.40
5.3.150.0830.02312.34
5.3.140.0800.02312.42
5.3.130.0800.02212.51
5.3.120.0950.02012.42
5.3.110.0880.02612.38
5.3.100.0980.02312.20
5.3.90.1030.01812.28
5.3.80.0970.02012.04
5.3.70.1020.02312.02
5.3.60.0950.02312.12
5.3.50.0940.02312.10
5.3.40.0930.02712.13
5.3.30.0960.02111.96
5.3.20.0890.01811.94
5.3.10.0810.01911.88
5.3.00.0020.01911.77
5.2.170.0030.01910.95
5.2.160.0100.02210.95
5.2.150.0770.01710.95
5.2.140.0680.01610.95
5.2.130.0690.01710.95
5.2.120.0900.01310.95
5.2.110.0750.01910.95
5.2.100.0880.02010.95
5.2.90.0820.01710.95
5.2.80.0700.01810.95
5.2.70.0780.02010.95
5.2.60.0700.01610.95
5.2.50.0720.01910.95
5.2.40.0550.01710.95
5.2.30.0700.01810.95
5.2.20.0120.01710.95
5.2.10.0020.01710.95
5.2.00.0070.01510.95
5.1.60.0030.01510.95
5.1.50.0030.01310.95
5.1.40.0480.01710.95
5.1.30.0600.01510.95
5.1.20.0600.01410.95
5.1.10.0590.01210.95
5.1.00.0660.01810.95
5.0.50.0370.02010.95
5.0.40.0320.00910.95
5.0.30.0320.02410.95
5.0.20.0280.01310.95
5.0.10.0320.01210.95
5.0.00.0350.01710.95
4.4.90.0240.01110.95
4.4.80.0330.00810.95
4.4.70.0370.01510.95
4.4.60.0300.01010.95
4.4.50.0330.00910.95
4.4.40.0350.02310.95
4.4.30.0350.01510.95
4.4.20.0300.00810.95
4.4.10.0360.01610.95
4.4.00.0360.01810.95
4.3.110.0390.00810.95
4.3.100.0300.01010.95
4.3.90.0280.01210.95
4.3.80.0330.02210.95
4.3.70.0370.01310.95
4.3.60.0280.00910.95
4.3.50.0330.01010.95
4.3.40.0370.01810.95
4.3.30.0170.01310.95
4.3.20.0180.01910.95
4.3.10.0230.01610.95
4.3.00.0230.01410.95

preferences:
40.63 ms | 400 KiB | 5 Q