3v4l.org

run code in 300+ PHP versions simultaneously
<?php function count_digits($digit, $base) { // TODO: add type validation return $digit >= 10 ? 1 + count_digits($digit / $base) : 1; } $digit = 1554; $tries = 10000; var_dump(count_digits($digit)); $start = microtime(true); for ($i = 0; $i < $tries; $i++) { count_digits($digit); } echo (microtime(true) - $start).PHP_EOL; $start = microtime(true); for ($i = 0; $i < $tries; $i++) { strlen($digit); } echo (microtime(true) - $start);

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)
7.3.10.0030.01216.67
7.3.00.0030.01016.65
7.2.130.0030.00916.54
7.2.120.0080.00816.69
7.2.110.0070.00316.55
7.2.100.0140.00416.56
7.2.90.0100.00716.74
7.2.80.0120.00916.70
7.2.70.0060.00916.70
7.2.60.0090.00916.70
7.2.50.0080.00816.70
7.2.40.0070.00416.72
7.2.30.0170.00716.60
7.2.20.0000.01716.64
7.2.10.0060.00616.85
7.2.00.0080.00517.91
7.1.250.0030.00815.41
7.1.240.0030.00615.68
7.1.230.0040.00815.62
7.1.220.0060.00315.21
7.1.210.0070.00715.56
7.1.200.0090.00315.72
7.1.190.0070.00715.52
7.1.180.0100.00615.27
7.1.170.0070.00715.43
7.1.160.0050.00315.35
7.1.150.0160.00315.44
7.1.140.0100.00315.66
7.1.130.0140.00315.57
7.1.120.0030.01115.51
7.1.110.0070.00415.39
7.1.100.0000.01215.75
7.1.90.0070.00715.78
7.1.80.0170.00015.61
7.1.70.0030.00716.43
7.1.60.0110.00717.36
7.1.50.0100.01015.88
7.1.40.0070.00715.41
7.1.30.0070.01115.73
7.1.20.0100.00715.52
7.1.10.0030.00615.62
7.1.00.0060.00615.70
7.0.330.0140.00715.14
7.0.320.0060.00315.66
7.0.310.0030.00615.40
7.0.300.0090.00915.41
7.0.290.0120.00615.37
7.0.280.0140.00015.26
7.0.270.0000.00915.12
7.0.260.0100.00615.18
7.0.250.0030.00915.47
7.0.240.0000.01115.56
7.0.230.0030.00615.38
7.0.220.0060.00915.54
7.0.210.0040.01215.23
7.0.200.0080.00915.24
7.0.190.0070.00415.41
7.0.180.0070.00615.26
7.0.170.0150.00015.47
7.0.160.0090.00315.43
7.0.150.0130.00515.28
7.0.140.0000.01315.48
7.0.130.0070.00715.16
7.0.120.0090.00015.20
7.0.110.0090.00015.41
7.0.100.0120.00315.46
7.0.90.0080.00315.29
7.0.80.0080.01215.48
7.0.70.0160.00315.43
7.0.60.0070.01015.52
7.0.50.0090.00615.51
7.0.40.0090.00613.54
7.0.30.0110.00413.36
7.0.20.0030.01413.53
7.0.10.0060.01013.61
7.0.00.0030.00913.39
5.6.380.0070.00714.18
5.6.370.0080.00814.24
5.6.360.0100.01014.13
5.6.350.0030.01214.18
5.6.340.0060.00613.88
5.6.330.0130.00714.57
5.6.320.0090.00314.05
5.6.310.0110.00414.21
5.6.300.0000.01514.41
5.6.290.0110.00514.27
5.6.280.0130.00014.41
5.6.270.0080.00814.28
5.6.260.0000.01114.19
5.6.250.0000.01414.33
5.6.240.0080.00814.28
5.6.230.0070.00714.27
5.6.220.0040.01114.40
5.6.210.0040.00414.38
5.6.200.0100.00314.05
5.6.190.0070.00314.21
5.6.180.0080.00814.30
5.6.170.0070.00614.04
5.6.160.0040.01114.14
5.6.150.0040.01214.04
5.6.140.0140.00014.15
5.6.130.0030.00914.11
5.6.120.0060.00314.35
5.6.110.0070.00713.89
5.6.100.0070.00714.04
5.6.90.0070.01014.16
5.6.80.0100.00313.96
5.6.70.0080.00813.95
5.6.60.0040.01114.03
5.6.50.0040.01114.24
5.6.40.0030.00614.03
5.6.30.0060.01314.50
5.6.20.0060.00914.16
5.6.10.0040.00714.44
5.6.00.0040.01114.21
5.5.380.0040.00911.64
5.5.370.0030.00311.64
5.5.360.0100.00311.64
5.5.350.0070.00711.64
5.5.340.0030.00611.64
5.5.330.0050.00511.64
5.5.320.0030.00611.64
5.5.310.0060.00911.64
5.5.300.0150.00011.64
5.5.290.0060.00611.64
5.5.280.0040.00811.64
5.5.270.0070.00611.64
5.5.260.0070.00711.64
5.5.250.0040.00411.64
5.5.240.0040.00811.64
5.5.230.0040.00811.64
5.5.220.0000.01611.64
5.5.210.0030.00611.64
5.5.200.0060.00611.64
5.5.190.0000.00811.64
5.5.180.0060.00611.64
5.5.170.0110.00311.64
5.5.160.0030.01011.64
5.5.150.0030.00611.64
5.5.140.0070.00711.64
5.5.130.0030.00911.64
5.5.120.0090.00311.64
5.5.110.0000.01511.64
5.5.100.0110.00011.64
5.5.90.0090.00611.64
5.5.80.0130.00011.64
5.5.70.0060.00611.64
5.5.60.0070.00411.64
5.5.50.0030.01011.64
5.5.40.0120.00011.64
5.5.30.0040.00711.64
5.5.20.0100.00611.64
5.5.10.0060.00611.64
5.5.00.0070.01011.64
5.4.450.0040.00811.64
5.4.440.0000.01311.64
5.4.430.0070.00411.64
5.4.420.0040.00411.64
5.4.410.0030.00711.64
5.4.400.0030.01011.64
5.4.390.0140.00311.64
5.4.380.0030.01011.64
5.4.370.0030.00611.64
5.4.360.0070.00711.64
5.4.350.0080.00811.64
5.4.340.0000.01711.64
5.4.330.0090.00611.64
5.4.320.0030.00911.64
5.4.310.0080.00011.64
5.4.300.0070.01011.64
5.4.290.0080.00611.64
5.4.280.0080.00811.64
5.4.270.0090.00311.64
5.4.260.0000.01511.64
5.4.250.0060.00611.64
5.4.240.0060.00311.64
5.4.230.0000.01311.64
5.4.220.0000.00711.64
5.4.210.0080.00511.64
5.4.200.0040.01111.64
5.4.190.0080.00411.64
5.4.180.0000.01511.64
5.4.170.0060.00611.64
5.4.160.0030.01011.64
5.4.150.0060.00311.64
5.4.140.0000.01111.64
5.4.130.0030.00511.64
5.4.120.0060.00911.64
5.4.110.0110.00711.64
5.4.100.0120.00011.64
5.4.90.0140.00411.64
5.4.80.0000.01511.64
5.4.70.0040.00411.64
5.4.60.0060.00311.64
5.4.50.0080.00811.64
5.4.40.0120.00411.64
5.4.30.0100.00911.64
5.4.20.0090.00911.64
5.4.10.0060.01211.64
5.4.00.0100.00311.64
5.3.290.0060.00611.64
5.3.280.0030.00611.64
5.3.270.0070.00411.64
5.3.260.0000.01411.64
5.3.250.0040.00411.64
5.3.240.0030.01011.64
5.3.230.0000.01411.64
5.3.220.0060.00711.64
5.3.210.0030.00711.64
5.3.200.0040.00411.64
5.3.190.0030.00611.64
5.3.180.0060.00311.64
5.3.170.0080.00411.64
5.3.160.0000.00811.64
5.3.150.0050.00511.64
5.3.140.0060.00611.64
5.3.130.0000.01511.64
5.3.120.0000.01111.64
5.3.110.0060.00411.64
5.3.100.0030.00611.64
5.3.90.0040.00711.64
5.3.80.0030.01011.64
5.3.70.0050.00711.64
5.3.60.0030.00611.64
5.3.50.0080.00411.64
5.3.40.0050.00511.64
5.3.30.0000.01311.64
5.3.20.0120.00311.64
5.3.10.0090.00011.64
5.3.00.0100.00211.64
5.2.170.0030.01011.64
5.2.160.0050.00011.64
5.2.150.0000.01211.64
5.2.140.0070.00511.64
5.2.130.0080.00811.64
5.2.120.0040.00711.64
5.2.110.0030.00911.64
5.2.100.0110.00411.64
5.2.90.0060.00911.64
5.2.80.0000.01311.64
5.2.70.0100.00311.64
5.2.60.0030.00611.64
5.2.50.0030.00911.64
5.2.40.0060.00011.64
5.2.30.0060.00011.64
5.2.20.0040.00811.64
5.2.10.0030.01011.64
5.2.00.0000.01311.64
5.1.60.0060.00611.64
5.1.50.0040.00711.64
5.1.40.0060.00311.64
5.1.30.0060.00611.64
5.1.20.0040.00811.64
5.1.10.0120.00011.64
5.1.00.0020.01011.64
5.0.50.0000.01111.64
5.0.40.0000.01011.64
5.0.30.0100.00311.64
5.0.20.0030.01011.64
5.0.10.0040.00411.64
5.0.00.0080.00411.64
4.4.90.0030.00711.64
4.4.80.0030.00611.64
4.4.70.0000.01311.64
4.4.60.0090.00611.64
4.4.50.0000.01211.64
4.4.40.0070.00311.64
4.4.30.0030.00611.64
4.4.20.0000.01211.64
4.4.10.0000.01011.64
4.4.00.0000.01111.64
4.3.110.0080.00411.64
4.3.100.0070.00711.64
4.3.90.0030.00811.64
4.3.80.0050.00511.64
4.3.70.0040.00411.64
4.3.60.0060.00911.64
4.3.50.0030.00611.64
4.3.40.0000.01311.64
4.3.30.0030.00911.64
4.3.20.0060.00611.64
4.3.10.0070.00311.64
4.3.00.0060.00611.64

preferences:
36.65 ms | 401 KiB | 5 Q