3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string_n = 'CODEsiema'; $prefix = 'CODE'; if (strncmp($string_n, $prefix, strlen($prefix)) === 0) { echo 'true'; } else { echo 'false'; }

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)
8.3.70.0070.01118.18
8.3.60.0080.01316.50
8.3.50.0180.00018.13
8.3.40.0120.00318.62
8.3.30.0110.00418.45
8.3.20.0000.00721.83
8.3.10.0040.00421.72
8.3.00.0040.00417.13
8.2.190.0040.01118.51
8.2.180.0070.01116.75
8.2.170.0090.00622.96
8.2.160.0070.00721.09
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00418.03
8.2.120.0050.00326.35
8.2.110.0070.00420.90
8.2.100.0120.00019.64
8.2.90.0030.00517.78
8.2.80.0040.00417.97
8.2.70.0040.00418.04
8.2.60.0040.00418.22
8.2.50.0000.00818.10
8.2.40.0040.00421.20
8.2.30.0000.00719.23
8.2.20.0040.00417.97
8.2.10.0000.00719.11
8.2.00.0040.00418.03
8.1.280.0130.00725.92
8.1.270.0040.00418.95
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0070.00323.77
8.1.230.0040.00822.60
8.1.220.0050.00517.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0030.00518.65
8.1.160.0000.00718.72
8.1.150.0080.00018.83
8.1.140.0050.00318.86
8.1.130.0000.00720.04
8.1.120.0080.00017.39
8.1.110.0000.00717.45
8.1.100.0080.00017.37
8.1.90.0040.00417.27
8.1.80.0060.00317.26
8.1.70.0080.00017.31
8.1.60.0000.00917.38
8.1.50.0000.00817.44
8.1.40.0060.00317.44
8.1.30.0030.00617.55
8.1.20.0000.00817.54
8.1.10.0000.00717.55
8.1.00.0000.00817.27
8.0.300.0070.00019.77
8.0.290.0050.00216.75
8.0.280.0040.00418.39
8.0.270.0070.00017.23
8.0.260.0030.00318.44
8.0.250.0050.00316.79
8.0.240.0080.00016.87
8.0.230.0000.00816.87
8.0.220.0000.00616.86
8.0.210.0070.00016.71
8.0.200.0030.00316.74
8.0.190.0030.00616.81
8.0.180.0070.00016.86
8.0.170.0060.00316.82
8.0.160.0050.00316.65
8.0.150.0000.00716.74
8.0.140.0050.00316.80
8.0.130.0000.00713.32
8.0.120.0040.00416.70
8.0.110.0000.00716.73
8.0.100.0070.00016.71
8.0.90.0030.00416.82
8.0.80.0130.00716.76
8.0.70.0050.00316.69
8.0.60.0000.00716.72
8.0.50.0040.00416.78
8.0.30.0130.00517.05
8.0.20.0000.01816.98
8.0.10.0030.00516.84
8.0.00.0100.00916.66
7.4.330.0020.00215.55
7.4.320.0000.00616.56
7.4.300.0000.00616.58
7.4.290.0000.00716.49
7.4.280.0000.00716.63
7.4.270.0000.00716.46
7.4.260.0000.00716.57
7.4.250.0000.00716.52
7.4.240.0000.00716.60
7.4.230.0030.00316.48
7.4.220.0000.00816.49
7.4.210.0040.01016.48
7.4.200.0040.00416.59
7.4.160.0060.01016.46
7.4.140.0150.01017.86
7.4.130.0120.00616.55
7.4.120.0160.00716.37
7.4.110.0100.00716.31
7.4.100.0120.00616.36
7.4.90.0100.00716.45
7.4.80.0100.00719.39
7.4.70.0090.01316.48
7.4.60.0000.01716.42
7.4.50.0090.00616.25
7.4.40.0100.01416.40
7.4.10.0070.00714.88
7.4.00.0070.01115.00
7.3.330.0000.00513.24
7.3.320.0000.00513.17
7.3.310.0030.00316.22
7.3.300.0030.00316.29
7.3.290.0030.00316.22
7.3.280.0090.00616.25
7.3.260.0110.00916.32
7.3.240.0080.01216.37
7.3.230.0040.01216.58
7.3.210.0040.01316.52
7.3.200.0060.00916.33
7.3.190.0030.01316.37
7.3.180.0150.00716.36
7.3.170.0100.00716.42
7.3.160.0090.00916.35
7.3.130.0050.01214.79
7.3.120.0040.01014.54
7.3.110.0100.00814.73
7.3.100.0120.00614.79
7.3.90.0020.01514.94
7.3.80.0070.00814.84
7.3.70.0050.01214.66
7.3.60.0060.01114.71
7.3.50.0080.00714.62
7.3.40.0060.00814.65
7.3.30.0060.00514.70
7.3.20.0050.00716.70
7.3.10.0430.00615.67
7.3.00.0390.00516.03
7.2.330.0070.01116.55
7.2.320.0130.00316.27
7.2.310.0030.01316.66
7.2.300.0060.01116.67
7.2.290.0080.01116.35
7.2.260.0080.01014.72
7.2.250.0070.01314.90
7.2.240.0050.01215.18
7.2.230.0070.00714.93
7.2.220.0050.01014.98
7.2.210.0050.01015.07
7.2.200.0050.00914.92
7.2.190.0050.01215.04
7.2.180.0070.00414.92
7.2.170.0090.00514.93
7.2.160.0070.00614.93
7.2.150.0030.01116.81
7.2.140.0060.00916.87
7.2.130.0050.00716.22
7.2.120.0540.00716.16
7.2.110.0120.01216.12
7.2.100.0210.00816.16
7.2.90.0390.00816.22
7.2.80.0300.00816.09
7.2.70.0320.00816.13
7.2.60.0380.01015.99
7.2.50.0090.00516.18
7.2.40.0360.00815.98
7.2.30.0400.00616.12
7.2.20.0390.00816.13
7.2.10.0070.00816.21
7.2.00.0430.00716.17
7.1.330.0100.00715.79
7.1.320.0080.00715.82
7.1.310.0030.01215.66
7.1.300.0060.00915.85
7.1.290.0090.00415.81
7.1.280.0080.00515.64
7.1.270.0110.00515.70
7.1.260.0080.00615.90
7.1.250.0130.00915.09
7.1.240.0050.00915.67
7.1.230.0050.01015.56
7.1.220.0070.00415.73
7.1.210.0090.00515.84
7.1.200.0030.01015.75
7.1.190.0060.00915.59
7.1.180.0070.00915.94
7.1.170.0020.01115.47
7.1.160.0050.00815.82
7.1.150.0020.01115.75
7.1.140.0090.00515.50
7.1.130.0080.00615.77
7.1.120.0060.00915.79
7.1.110.0070.00515.86
7.1.100.0050.00815.65
7.1.90.0030.00915.64
7.1.80.0030.00815.88
7.1.70.0060.00615.86
7.1.60.0030.00715.61
7.1.50.0090.00515.92
7.1.40.0050.00815.83
7.1.30.0080.00815.79
7.1.20.0000.01115.60
7.1.10.0050.00615.84
7.1.00.0090.00315.71

preferences:
35.99 ms | 401 KiB | 5 Q