3v4l.org

run code in 300+ PHP versions simultaneously
<?php $stringA = 'INTËRÑÂTÎÔNÆLÍZÀTIØN'; $stringB = 'Intërñâtîônælízàtiøn'; echo 'strcasecmp()':,PHP_EOL; var_dump(strcasecmp($stringA, $stringB)); echo PHP_EOL,'strnatcasecmp()':,PHP_EOL; var_dump(strnatcasecmp($stringA, $stringB)); echo PHP_EOL,'str_ireplace()':,PHP_EOL; var_dump(str_ireplace($stringA, '', $stringB, $count) === '' && $count === 1); echo PHP_EOL,'preg_match()':,PHP_EOL; var_dump(preg_match('`^' . preg_quote($stringA, '`') . '$`i', $stringB) === 1);

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)
7.4.40.0100.00616.36
7.4.30.0100.00716.20
7.4.20.0190.00316.00
7.4.10.0100.00716.13
7.4.00.0090.00616.38
7.3.160.0080.00816.32
7.3.150.0160.00015.88
7.3.140.0000.01516.14
7.3.130.0060.00915.88
7.3.120.0060.01316.19
7.3.110.0080.01216.12
7.3.100.0090.00916.18
7.3.90.0130.00416.02
7.3.80.0030.01315.92
7.3.70.0100.00615.92
7.3.60.0070.01015.91
7.3.50.0030.01215.97
7.3.40.0060.01115.95
7.3.30.0090.01315.86
7.3.20.0110.00817.70
7.3.10.0070.01017.42
7.3.00.0110.00717.95
7.2.290.0130.00316.19
7.2.280.0130.00916.11
7.2.270.0040.01816.14
7.2.260.0040.01215.99
7.2.250.0090.01515.93
7.2.240.0130.00316.14
7.2.230.0150.00316.04
7.2.220.0140.00315.97
7.2.210.0060.00915.80
7.2.200.0060.01116.16
7.2.190.0120.00415.99
7.2.180.0030.01315.92
7.2.170.0090.01216.10
7.2.160.0100.00716.01
7.2.150.0090.00617.84
7.2.140.0130.00318.01
7.2.130.0090.00917.57
7.2.120.0680.01015.82
7.2.110.0090.00915.73
7.2.100.0620.01015.70
7.2.90.0040.01315.80
7.2.80.0060.01216.11
7.2.70.0060.01218.11
7.2.60.0030.01517.96
7.2.50.0070.01417.94
7.2.40.0110.00717.74
7.2.30.0060.01017.76
7.2.20.0110.01117.86
7.2.10.0060.01317.66
7.2.00.0110.00817.92
7.1.330.0320.00617.17
7.1.320.0200.01117.15
7.1.310.0250.00317.08
7.1.300.0270.01016.96
7.1.290.0250.00517.22
7.1.280.0220.00817.09
7.1.270.0220.00717.21
7.1.260.0200.01117.12
7.1.250.0300.00715.16
7.1.240.0310.00315.23
7.1.230.0290.00315.23
7.1.220.0160.01315.24
7.1.210.0230.00715.38
7.1.200.0220.01117.09
7.1.190.0190.01016.99
7.1.180.0220.00716.93
7.1.170.0300.00017.22
7.1.160.0210.00617.04
7.1.150.0200.00817.08
7.1.140.0220.00616.94
7.1.130.0200.00817.16
7.1.120.0150.01517.20
7.1.110.0180.00917.28
7.1.100.0160.01317.05
7.1.90.0270.00716.91
7.1.80.0270.00617.00
7.1.70.0160.01217.09
7.1.60.0180.01117.18
7.1.50.0240.00517.21
7.1.40.0220.00417.10
7.1.30.0210.00617.08
7.1.20.0230.00517.03
7.1.10.0130.01317.03
7.1.00.0220.00617.10
7.0.330.0900.00614.90
7.0.320.0220.00814.98
7.0.310.0200.00916.63
7.0.300.0220.00916.88
7.0.290.0240.00217.05
7.0.280.0150.01116.78
7.0.270.0080.02116.76
7.0.260.0170.01016.99
7.0.250.0200.01216.86
7.0.240.0250.00516.80
7.0.230.0330.00916.87
7.0.220.0180.01816.82
7.0.210.0240.00316.95
7.0.200.0200.00816.95
7.0.190.0160.01116.94
7.0.180.0160.00916.82
7.0.170.0230.00317.02
7.0.160.0210.00516.80
7.0.150.0130.01616.76
7.0.140.0200.01117.03
7.0.130.0190.00617.03
7.0.120.0160.01217.04
7.0.110.0220.00416.96
7.0.100.0200.00916.87
7.0.90.0230.00916.94
7.0.80.0240.00316.80
7.0.70.0140.01216.95
7.0.60.0130.01316.81
7.0.50.0260.00716.75
7.0.40.0190.00816.69
7.0.30.0130.01316.65
7.0.20.0220.00416.75
7.0.10.0150.01116.90
7.0.00.0260.00416.99
5.6.400.0140.01415.35
5.6.390.0160.01215.68
5.6.380.0230.00815.84
5.6.370.0190.00915.44
5.6.360.0210.01315.82
5.6.350.0220.00815.88
5.6.340.0100.01915.56
5.6.330.0190.01115.62
5.6.320.0200.01115.87
5.6.310.0180.01515.84
5.6.300.0130.01715.73
5.6.290.0230.01015.89
5.6.280.0210.00915.44
5.6.270.0160.01315.79
5.6.260.0090.02315.69
5.6.250.0160.01615.70
5.6.240.0190.01415.56
5.6.230.0230.00615.58
5.6.220.0180.01315.56
5.6.210.0240.00515.64
5.6.200.0210.01115.73
5.6.190.0140.01715.80
5.6.180.0200.01215.66
5.6.170.0210.01115.93
5.6.160.0080.01915.55
5.6.150.0180.01115.73
5.6.140.0220.01015.63
5.6.130.0190.00915.73
5.6.120.0280.00315.69
5.6.110.0150.01315.57
5.6.100.0200.00815.85
5.6.90.0210.01315.70
5.6.80.0210.00915.50
5.6.70.0170.01315.57
5.6.60.0110.01815.40
5.6.50.0190.00815.76
5.6.40.0200.00915.64
5.6.30.0230.00715.59
5.6.20.0190.01015.57
5.6.10.0200.00915.57
5.6.00.0150.01215.52
5.5.380.0130.01715.61
5.5.370.0200.01515.68
5.5.360.0230.00715.71
5.5.350.0220.00715.47
5.5.340.0220.01115.38
5.5.330.0200.01215.63
5.5.320.0210.01015.84
5.5.310.0170.01015.34
5.5.300.0140.01415.54
5.5.290.0300.00615.61
5.5.280.0180.01415.70
5.5.270.0180.01115.53
5.5.260.0170.01115.64
5.5.250.0160.01215.57
5.5.240.0270.00615.45
5.5.230.0190.00815.39
5.5.220.0240.00615.68
5.5.210.0180.00915.45
5.5.200.0160.01215.33
5.5.190.0220.00615.55
5.5.180.0110.01615.52
5.5.170.0230.00515.47
5.5.160.0120.01515.56
5.5.150.0160.01315.60
5.5.140.0220.00715.46
5.5.130.0270.00015.47
5.5.120.0060.02115.52
5.5.110.0100.01715.63
5.5.100.0230.00515.54
5.5.90.0210.00915.39
5.5.80.0170.01415.57
5.5.70.0210.01115.47
5.5.60.0130.01315.49
5.5.50.0240.01015.38
5.5.40.0210.00815.49
5.5.30.0220.00915.33
5.5.20.0180.00915.45
5.5.10.0150.01515.42
5.5.00.0140.01415.29
5.4.450.0240.00412.58
5.4.440.0120.00912.27
5.4.430.0150.00512.49
5.4.420.0220.00412.39
5.4.410.0210.00412.37
5.4.400.0060.01612.25
5.4.390.0110.01112.25
5.4.380.0130.01012.40
5.4.370.0130.00912.31
5.4.360.0170.00612.45
5.4.350.0150.00712.45
5.4.340.0120.00912.34
5.4.330.0130.00912.38
5.4.320.0150.00712.27
5.4.310.0140.00912.27
5.4.300.0180.00312.21
5.4.290.0150.01012.40
5.4.280.0180.00812.23
5.4.270.0220.00512.35
5.4.260.0200.00712.17
5.4.250.0240.00312.54
5.4.240.0230.00312.25
5.4.230.0090.01212.20
5.4.220.0200.00612.27
5.4.210.0100.01312.39
5.4.200.0180.00612.41
5.4.190.0180.00412.21
5.4.180.0140.00712.19
5.4.170.0180.00312.32
5.4.160.0100.01012.29
5.4.150.0120.00812.20
5.4.140.0140.00712.45
5.4.130.0190.00312.30
5.4.120.0190.00412.32
5.4.110.0180.00312.31
5.4.100.0180.00612.41
5.4.90.0070.01512.46
5.4.80.0160.00812.26
5.4.70.0100.01012.37
5.4.60.0150.00912.32
5.4.50.0190.00312.27
5.4.40.0140.00912.40
5.4.30.0210.00312.30
5.4.20.0220.00312.38
5.4.10.0180.00412.22
5.4.00.0090.01412.29
5.3.290.0130.00912.70
5.3.280.0150.01112.61
5.3.270.0130.01012.78
5.3.260.0220.00312.93
5.3.250.0170.00712.74
5.3.240.0160.00512.53
5.3.230.0120.01012.73
5.3.220.0150.00712.54
5.3.210.0130.00912.63
5.3.200.0150.00912.71
5.3.190.0150.00812.79
5.3.180.0130.01012.86
5.3.170.0110.01112.93
5.3.160.0240.00012.80
5.3.150.0150.00712.85
5.3.140.0150.00912.85
5.3.130.0130.01312.73
5.3.120.0160.00812.84
5.3.110.0180.00612.74
5.3.100.0160.00812.88
5.3.90.0190.00312.91
5.3.80.0180.00312.71
5.3.70.0110.01112.59
5.3.60.0160.00512.76
5.3.50.0200.00312.70
5.3.40.0130.00812.61
5.3.30.0180.00312.80
5.3.20.0160.00412.66
5.3.10.0150.00612.40
5.3.00.0080.01312.39
5.2.170.0120.00611.71
5.2.160.0150.00411.83
5.2.150.0070.01011.78
5.2.140.0100.00711.71
5.2.130.0040.01511.71
5.2.120.0090.00911.73
5.2.110.0140.00311.71
5.2.100.0140.00711.73
5.2.90.0090.00911.71
5.2.80.0150.00311.73
5.2.70.0070.01111.73
5.2.60.0120.00611.71
5.2.50.0090.00911.77
5.2.40.0120.00611.77
5.2.30.0040.01411.71
5.2.20.0130.00611.71
5.2.10.0170.00011.71
5.2.00.0140.00311.71
5.1.60.0120.00311.71
5.1.50.0120.00411.71
5.1.40.0110.00411.71
5.1.30.0120.00611.71
5.1.20.0130.00711.71
5.1.10.0090.00911.71
5.1.00.0180.00011.71
5.0.50.0080.00811.71
5.0.40.0080.00511.71
5.0.30.0070.00711.71
5.0.20.0160.00011.71
5.0.10.0130.00011.71
5.0.00.0080.00811.71
4.4.90.0080.00311.71
4.4.80.0050.00311.71
4.4.70.0060.00311.71
4.4.60.0000.00911.71
4.4.50.0030.00611.71
4.4.40.0050.00511.71
4.4.30.0070.00211.71
4.4.20.0080.00311.71
4.4.10.0000.00811.71
4.4.00.0040.00411.71
4.3.110.0060.00311.71
4.3.100.0000.00911.71
4.3.90.0070.00311.71
4.3.80.0040.00411.71
4.3.70.0040.00411.71
4.3.60.0070.00211.71
4.3.50.0080.00311.71
4.3.40.0080.00311.71
4.3.30.0040.00511.71
4.3.20.0050.00511.71
4.3.10.0000.00711.71
4.3.00.0090.00011.71

preferences:
153.58 ms | 1394 KiB | 7 Q