3v4l.org

run code in 300+ PHP versions simultaneously
<?php $needle = bin2hex(random_bytes(15)); $shortString = $needle . bin2hex(random_bytes(20)); $longString = bin2hex(random_bytes(500)) . $needle . bin2hex(random_bytes(500)); for ($i = 0; $i < 10000; $i++) { 0 === strncmp($shortString, $needle, strlen($needle)); } for ($i = 0; $i < 10000; $i++) { 0 === strncmp($longString, $needle, strlen($needle)); }

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)
7.4.10.0130.00714.99
7.4.00.0070.01415.11
7.3.130.0000.02214.84
7.3.120.0080.00815.04
7.3.110.0070.01414.99
7.3.100.0090.01214.85
7.3.90.0100.00614.72
7.3.80.0000.01114.84
7.3.70.0030.01414.83
7.3.60.0100.00614.59
7.3.50.0040.00814.79
7.3.40.0000.01314.71
7.3.30.0000.01414.86
7.3.20.0040.01116.69
7.3.10.0040.00816.63
7.3.00.0030.01416.83
7.2.260.0070.00714.73
7.2.250.0120.00614.85
7.2.240.0090.00614.80
7.2.230.0060.01014.86
7.2.220.0030.01014.93
7.2.210.0030.01114.98
7.2.200.0040.01115.28
7.2.190.0000.01115.15
7.2.180.0070.00715.02
7.2.170.0060.00615.10
7.2.160.0000.01114.92
7.2.150.0050.00516.87
7.2.140.0040.01216.78
7.2.130.0130.00316.78
7.2.120.0040.00817.01
7.2.110.0030.01316.95
7.2.100.0100.00616.63
7.2.90.0060.00916.97
7.2.80.0110.00716.86
7.2.70.0130.00716.91
7.2.60.0040.01116.88
7.2.50.0030.00916.69
7.2.40.0080.01117.02
7.2.30.0060.01017.04
7.2.20.0100.00617.01
7.2.10.0030.01717.05
7.2.00.0000.01918.72
7.1.330.0040.01515.91
7.1.320.0090.01516.05
7.1.310.0000.01815.78
7.1.300.0080.01115.79
7.1.290.0000.01715.59
7.1.280.0070.01415.48
7.1.270.0000.01815.89
7.1.260.0040.01515.89
7.1.250.0070.01315.61
7.1.240.0060.01215.62
7.1.230.0070.01115.49
7.1.220.0070.01315.66
7.1.210.0030.01315.69
7.1.200.0070.01115.93
7.1.190.0030.01015.88
7.1.180.0040.01115.87
7.1.170.0070.01315.84
7.1.160.0090.00915.76
7.1.150.0000.01515.86
7.1.140.0000.01915.79
7.1.130.0000.01315.50
7.1.120.0080.01117.63
7.1.110.0090.00817.31
7.1.100.0050.01217.38
7.1.90.0030.01317.18
7.1.80.0070.01117.23
7.1.70.0040.01416.67
7.1.60.0120.01528.63
7.1.50.0130.01128.40
7.1.40.0100.01628.19
7.1.30.0130.01328.23
7.1.20.0130.01328.34
7.1.10.0050.01116.22
7.1.00.0040.01216.28
7.0.330.0030.01715.38
7.0.320.0060.01515.43
7.0.310.0030.01315.19
7.0.300.0030.01015.38
7.0.290.0070.01015.58
7.0.280.0000.01715.34
7.0.270.0030.01015.18
7.0.260.0070.01015.57
7.0.250.0060.01015.36
7.0.240.0120.00915.44
7.0.230.0060.01615.63
7.0.220.0000.01715.29
7.0.210.0120.00915.24
7.0.200.0030.01015.52
7.0.190.0070.01315.61
7.0.180.0060.01215.37
7.0.170.0030.01615.39
7.0.160.0060.01215.44
7.0.150.0060.01215.45
7.0.140.0140.00715.28
7.0.130.0060.01315.43
7.0.120.0000.01915.54
7.0.110.0060.00915.60
7.0.100.0090.00915.56
7.0.90.0030.01015.45
7.0.80.0070.01115.20
7.0.70.0030.01515.54
7.0.60.0070.01015.71
7.0.50.0040.01415.48
7.0.40.0070.01013.38
7.0.30.0030.01713.48
7.0.20.0000.01413.51
7.0.10.0070.01413.58
7.0.00.0070.01013.55
5.6.400.0090.00014.32
5.6.390.0090.00013.89
5.6.380.0060.00614.20
5.6.370.0000.01414.23
5.6.360.0090.00613.98
5.6.350.0030.00814.27
5.6.340.0060.00914.07
5.6.330.0060.01013.75
5.6.320.0130.00013.91
5.6.310.0040.00914.48
5.6.300.0110.00314.11
5.6.290.0120.00314.39
5.6.280.0040.01114.12
5.6.270.0070.00714.43
5.6.260.0110.00314.34
5.6.250.0030.01014.15
5.6.240.0060.00614.07
5.6.230.0070.00414.08
5.6.220.0040.00914.07
5.6.210.0030.00914.05
5.6.200.0040.00814.32
5.6.190.0060.00613.80
5.6.180.0040.01114.45
5.6.170.0090.00614.23
5.6.160.0160.00013.97
5.6.150.0060.00313.88
5.6.140.0090.00314.22
5.6.130.0030.01014.21
5.6.120.0030.00714.26
5.6.110.0070.00714.37
5.6.100.0030.01014.20
5.6.90.0070.00714.04
5.6.80.0060.00314.02
5.6.70.0100.00314.09
5.6.60.0070.00713.83
5.6.50.0000.01614.14
5.6.40.0060.00314.05
5.6.30.0090.00614.03
5.6.20.0110.00413.84
5.6.10.0100.00314.26
5.6.00.0060.00614.31

preferences:
25.91 ms | 401 KiB | 5 Q