3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strtolower('รจ'), PHP_EOL; echo strcmp("20B", "21"); ?>

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)
8.3.40.0070.01318.79
8.3.30.0030.01218.37
8.3.20.0080.00018.74
8.3.10.0040.00421.14
8.3.00.0070.00021.82
8.2.170.0140.00022.96
8.2.160.0120.00320.48
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00726.16
8.2.120.0040.00420.97
8.2.110.0080.00022.30
8.2.100.0060.00617.72
8.2.90.0000.00817.75
8.2.80.0000.00817.97
8.2.70.0080.00017.80
8.2.60.0030.00617.93
8.2.50.0040.00418.10
8.2.40.0040.00422.18
8.2.30.0040.00419.36
8.2.20.0040.00417.64
8.2.10.0000.00717.57
8.2.00.0080.00317.36
8.1.270.0110.00723.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00320.55
8.1.230.0000.01119.11
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0040.00418.62
8.1.160.0040.00418.78
8.1.150.0050.00218.63
8.1.140.0050.00317.36
8.1.130.0030.00317.80
8.1.120.0000.00717.46
8.1.110.0000.00717.36
8.1.100.0030.00517.36
8.1.90.0000.00717.38
8.1.80.0040.00417.45
8.1.70.0070.00017.39
8.1.60.0040.00417.53
8.1.50.0080.00017.32
8.1.40.0040.00417.38
8.1.30.0040.00417.50
8.1.20.0060.00317.40
8.1.10.0040.00417.47
8.1.00.0070.00017.31
8.0.300.0070.00019.66
8.0.290.0000.00716.58
8.0.280.0040.00418.43
8.0.270.0030.00317.15
8.0.260.0060.00316.85
8.0.250.0000.00717.00
8.0.240.0000.01016.93
8.0.230.0060.00016.89
8.0.220.0040.00416.77
8.0.210.0030.00316.96
8.0.200.0000.00616.89
8.0.190.0000.00716.71
8.0.180.0000.00716.84
8.0.170.0000.00716.89
8.0.160.0040.00416.86
8.0.150.0000.00816.72
8.0.140.0070.00016.69
8.0.130.0000.00513.34
8.0.120.0040.00416.81
8.0.110.0030.00516.77
8.0.100.0040.00416.80
8.0.90.0080.00016.84
8.0.80.0040.01116.86
8.0.70.0000.00716.93
8.0.60.0040.00416.76
8.0.50.0000.00716.79
8.0.30.0140.00816.97
8.0.20.0050.01317.40
8.0.10.0040.00416.86
8.0.00.0120.00616.54
7.4.330.0000.00516.84
7.4.320.0070.00016.51
7.4.300.0000.00616.47
7.4.290.0040.00416.57
7.4.280.0040.00416.27
7.4.270.0070.00016.53
7.4.260.0000.00613.19
7.4.250.0040.00416.49
7.4.240.0070.00016.52
7.4.230.0070.00016.55
7.4.220.0040.01516.57
7.4.210.0080.01016.52
7.4.200.0000.00816.32
7.4.190.0030.00316.32
7.4.160.0070.01616.28
7.4.150.0120.00617.40
7.4.140.0090.01217.86
7.4.130.0140.00616.50
7.4.120.0090.01116.45
7.4.110.0150.00316.28
7.4.100.0090.00816.24
7.4.90.0090.00916.45
7.4.80.0070.01019.39
7.4.70.0150.00816.50
7.4.60.0170.00516.45
7.4.50.0070.01116.33
7.4.40.0080.01018.50
7.4.30.0080.01416.18
7.4.20.0090.01616.35
7.4.10.0130.00916.32
7.4.00.0060.01015.98
7.3.330.0030.00312.98
7.3.320.0030.00313.09
7.3.310.0070.00016.31
7.3.300.0070.00016.27
7.3.290.0110.00416.21
7.3.280.0080.00716.26
7.3.270.0090.00917.40
7.3.260.0070.01218.24
7.3.250.0060.01116.40
7.3.240.0150.00616.21
7.3.230.0080.01516.39
7.3.210.0170.00016.45
7.3.200.0100.00719.39
7.3.190.0090.01216.21
7.3.180.0140.00616.28
7.3.170.0180.00516.14
7.3.160.0130.01016.23
7.3.150.0260.00616.08
7.3.140.0220.00716.29
7.3.130.0130.01116.11
7.3.120.0070.01015.63
7.3.110.0100.01516.23
7.3.100.0160.00416.30
7.3.90.0170.00415.88
7.3.80.0130.00516.30
7.3.70.0110.00816.02
7.3.60.0110.01116.25
7.3.50.0080.00815.96
7.3.40.0140.00716.06
7.3.30.0120.00616.21
7.3.20.0040.01318.13
7.3.10.0090.01016.08
7.3.00.0090.00817.96
7.2.330.0090.00916.43
7.2.320.0000.01716.58
7.2.310.0170.00716.27
7.2.300.0200.00316.38
7.2.290.0190.00316.36
7.2.280.0190.01216.29
7.2.270.0150.01116.34
7.2.260.0140.01116.53
7.2.250.0070.01516.54
7.2.240.0110.01116.59
7.2.230.0080.01316.49
7.2.220.0130.00716.46
7.2.210.0090.00916.32
7.2.200.0110.00616.39
7.2.190.0100.01016.33
7.2.180.0150.00216.21
7.2.170.0160.00316.13
7.2.160.0030.01216.27
7.2.150.0140.00316.15
7.2.140.0100.01016.00
7.2.130.0140.00518.26
7.2.120.0140.00318.54
7.2.110.0030.01316.55
7.2.100.0080.00816.41
7.2.90.0080.01118.28
7.2.80.0030.01618.05
7.2.70.0100.01018.25
7.2.60.0090.00717.43
7.2.50.0120.00918.24
7.2.40.0220.00918.48
7.2.30.0220.00318.35
7.2.20.0170.00618.12
7.2.10.0100.01018.31
7.2.00.0120.00818.67
7.1.330.0190.00417.11
7.1.320.0260.00917.15
7.1.310.0190.00516.93
7.1.300.0100.01017.29
7.1.290.0200.00617.21
7.1.280.0160.00417.44
7.1.270.0250.00417.21
7.1.260.0120.00716.92
7.1.250.0190.00015.31
7.1.240.0100.00716.98
7.1.230.0140.00415.13
7.1.220.0150.00615.29
7.1.210.0090.01215.00
7.1.200.0100.00816.36
7.1.190.0090.01217.05
7.1.180.0120.00916.91
7.1.170.0180.00717.16
7.1.160.0060.01217.13
7.1.150.0170.00217.03
7.1.140.0110.00716.95
7.1.130.0150.00317.32
7.1.120.0110.00917.11
7.1.110.0190.00017.16
7.1.100.0110.00417.49
7.1.90.0100.00717.12
7.1.80.0170.00417.05
7.1.70.0010.01217.08
7.1.60.0120.00818.30
7.1.50.0130.00616.87
7.1.40.0190.00616.88
7.1.30.0080.00817.02
7.1.20.0140.00617.34
7.1.10.0210.00317.17
7.1.00.0130.03319.86
7.0.330.0100.01016.85
7.0.320.0140.00316.68
7.0.310.0130.00816.76
7.0.300.0070.01016.77
7.0.290.0090.00916.82
7.0.280.0220.00316.77
7.0.270.0130.00616.88
7.0.260.0090.01317.06
7.0.250.0110.00716.71
7.0.240.0120.00616.70
7.0.230.0080.00816.71
7.0.220.0050.01116.79
7.0.210.0130.00516.91
7.0.200.0080.00616.63
7.0.190.0200.00816.80
7.0.180.0070.01016.79
7.0.170.0150.00316.77
7.0.160.0120.00816.57
7.0.150.0140.00316.89
7.0.140.0120.03719.30
7.0.130.0080.01216.71
7.0.120.0130.01016.68
7.0.110.0080.00816.47
7.0.100.0230.02818.30
7.0.90.0230.02518.33
7.0.80.0240.04318.37
7.0.70.0330.03518.45
7.0.60.0300.04618.28
7.0.50.0170.03918.55
7.0.40.0140.04518.38
7.0.30.0180.03618.25
7.0.20.0110.04518.51
7.0.10.0120.03018.52
7.0.00.0100.04218.46
5.6.400.0170.00315.53
5.6.390.0150.00715.40
5.6.380.0140.00415.69
5.6.370.0070.01415.75
5.6.360.0140.00915.64
5.6.350.0100.01015.62
5.6.340.0160.00615.68
5.6.330.0050.01415.62
5.6.320.0140.00615.48
5.6.310.0140.00615.68
5.6.300.0060.01715.44
5.6.290.0060.01515.31
5.6.280.0100.04018.33
5.6.270.0110.01015.73
5.6.260.0040.01515.82
5.6.250.0070.04218.06
5.6.240.0070.04218.26
5.6.230.0120.02418.25
5.6.220.0100.04118.22
5.6.210.0100.05018.12
5.6.200.0080.02618.43
5.6.190.0090.03218.41
5.6.180.0080.04818.26
5.6.170.0110.02618.15
5.6.160.0090.02818.25
5.6.150.0090.04618.32
5.6.140.0140.04118.43
5.6.130.0120.04618.32
5.6.120.0160.04418.41
5.6.110.0130.04518.36
5.6.100.0100.03218.39
5.6.90.0080.04318.38
5.6.80.0110.04018.23
5.6.70.0090.03118.06
5.6.60.0070.03017.98
5.6.50.0150.03018.12
5.6.40.0080.03118.09
5.6.30.0130.04417.81
5.6.20.0170.03717.89
5.6.10.0140.02717.98
5.6.00.0090.03917.83
5.5.380.0110.04318.15
5.5.370.0020.05017.92
5.5.360.0120.04117.92
5.5.350.0090.04918.04
5.5.340.0120.02518.23
5.5.330.0080.04618.12
5.5.320.0070.04518.15
5.5.310.0080.04418.34
5.5.300.0080.04318.15
5.5.290.0130.04218.43
5.5.280.0060.04818.30
5.5.270.0090.05018.38
5.5.260.0130.04218.27
5.5.250.0050.03418.15
5.5.240.0100.03718.01
5.5.230.0090.02617.96
5.5.220.0110.02418.10
5.5.210.0110.02318.01
5.5.200.0030.03617.81
5.5.190.0140.04417.95
5.5.180.0120.04317.87
5.5.170.0140.00715.30
5.5.160.0100.03717.85
5.5.150.0060.02517.92
5.5.140.0070.02517.87
5.5.130.0090.02018.08
5.5.120.0090.04017.94
5.5.110.0070.04217.96
5.5.100.0080.04617.77
5.5.90.0110.04217.85
5.5.80.0120.03617.87
5.5.70.0100.04017.89
5.5.60.0100.04117.96
5.5.50.0100.04517.84
5.5.40.0120.03117.84
5.5.30.0100.04517.86
5.5.20.0130.04317.86
5.5.10.0100.02617.80
5.5.00.0110.04217.79
5.4.450.0140.03915.92
5.4.440.0120.04516.07
5.4.430.0150.03815.95
5.4.420.0080.04316.03
5.4.410.0090.04115.73
5.4.400.0040.04615.73
5.4.390.0080.03015.73
5.4.380.0050.04115.73
5.4.370.0070.04015.68
5.4.360.0100.02415.77
5.4.350.0110.04115.51
5.4.340.0050.04215.67
5.4.330.0090.00712.31
5.4.320.0070.02715.69
5.4.310.0080.03915.79
5.4.300.0070.04215.87
5.4.290.0030.02115.73
5.4.280.0070.03815.69
5.4.270.0100.03815.69
5.4.260.0160.03515.69
5.4.250.0090.02315.65
5.4.240.0050.04515.81
5.4.230.0070.04115.73
5.4.220.0050.04415.58
5.4.210.0110.03615.78
5.4.200.0070.04315.77
5.4.190.0030.04715.74
5.4.180.0090.04115.71
5.4.170.0050.02515.67
5.4.160.0080.04115.81
5.4.150.0100.04115.75
5.4.140.0100.03814.29
5.4.130.0080.03914.31
5.4.120.0150.03814.30
5.4.110.0110.04414.48
5.4.100.0130.03714.43
5.4.90.0080.02614.41
5.4.80.0150.03114.54
5.4.70.0060.04014.34
5.4.60.0110.03914.25
5.4.50.0110.04314.49
5.4.40.0110.04114.43
5.4.30.0070.04014.31
5.4.20.0110.04314.34
5.4.10.0100.03814.50
5.4.00.0080.04213.98
5.3.290.0060.04313.81
5.3.280.0120.03213.71
5.3.270.0050.03613.84
5.3.260.0130.03713.79
5.3.250.0130.03713.75
5.3.240.0060.04413.66
5.3.230.0100.04013.72
5.3.220.0080.02613.57
5.3.210.0120.03713.75
5.3.200.0120.04113.61
5.3.190.0090.02513.67
5.3.180.0100.02713.67
5.3.170.0070.04213.69
5.3.160.0110.02313.65
5.3.150.0110.03413.67
5.3.140.0080.04113.61
5.3.130.0080.02813.71
5.3.120.0090.03813.77
5.3.110.0090.04413.67
5.3.100.0080.04513.41
5.3.90.0130.02313.39
5.3.80.0100.04413.33
5.3.70.0100.02813.35
5.3.60.0140.01913.44
5.3.50.0100.02813.25
5.3.40.0150.04313.39
5.3.30.0120.03813.39
5.3.20.0080.03413.19
5.3.10.0110.03413.10
5.3.00.0040.03913.13
5.2.170.0070.03711.66
5.2.160.0090.03811.58
5.2.150.0040.03911.60
5.2.140.0080.03411.54
5.2.130.0090.03311.62
5.2.120.0070.03411.61
5.2.110.0090.01911.65
5.2.100.0100.03411.66
5.2.90.0120.02611.56
5.2.80.0140.02711.49
5.2.70.0070.03511.50
5.2.60.0090.02911.42
5.2.50.0080.03411.52
5.2.40.0100.03111.47
5.2.30.0070.03311.49
5.2.20.0060.02411.49
5.2.10.0060.03611.45
5.2.00.0070.02411.53
5.1.60.0070.02911.09
5.1.50.0060.02111.06
5.1.40.0070.02911.16
5.1.30.0120.02511.23
5.1.20.0060.03411.09
5.1.10.0090.03011.16
5.1.00.0040.02911.03
5.0.50.0070.02010.63
5.0.40.0080.02510.60
5.0.30.0050.03710.60
5.0.20.0060.01610.68
5.0.10.0050.02610.60
5.0.00.0030.03610.60
4.4.90.0070.01710.60
4.4.80.0040.01810.60
4.4.70.0020.01110.60
4.4.60.0000.01210.60
4.4.50.0040.01310.60
4.4.40.0040.01510.60
4.4.30.0030.01710.60
4.4.20.0040.01510.60
4.4.10.0060.01710.60
4.4.00.0030.02310.60
4.3.110.0050.01710.60
4.3.100.0040.01210.60
4.3.90.0070.01210.60
4.3.80.0060.02310.60
4.3.70.0030.02310.60
4.3.60.0050.01810.60
4.3.50.0050.00910.60
4.3.40.0040.03010.60
4.3.30.0020.01810.60
4.3.20.0040.01910.60
4.3.10.0040.01510.60
4.3.00.0000.02010.60

preferences:
39.85 ms | 400 KiB | 5 Q