3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getMiddle($text) { $length = strlen($text); // if even: if ($length % 2 == 0) { return substr($text, $length/2, 2); } // if odd: else { return substr($text, $length/2, 1); } } echo getMiddle('test');

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)
8.3.70.0170.00316.48
8.3.60.0060.01216.38
8.3.50.0120.00717.29
8.3.40.0140.00718.89
8.3.30.0120.00918.58
8.3.20.0040.00420.05
8.3.10.0080.00020.91
8.3.00.0000.00720.34
8.2.190.0180.00416.58
8.2.180.0110.01416.75
8.2.170.0080.00622.96
8.2.160.0100.00321.11
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00421.12
8.2.120.0070.00026.35
8.2.110.0070.00320.99
8.2.100.0100.00317.72
8.2.90.0040.00419.05
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0040.00418.22
8.2.40.0000.00720.47
8.2.30.0040.00419.15
8.2.20.0000.00718.11
8.2.10.0000.00718.05
8.2.00.0040.00418.09
8.1.280.0110.00425.92
8.1.270.0040.00422.05
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00522.25
8.1.230.0080.00322.20
8.1.220.0040.00417.79
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0040.00418.50
8.1.160.0000.00718.89
8.1.150.0030.00320.13
8.1.140.0000.00819.63
8.1.130.0030.00318.93
8.1.120.0070.00017.46
8.1.110.0070.00017.42
8.1.100.0000.00717.36
8.1.90.0000.00817.47
8.1.80.0040.00417.47
8.1.70.0000.00717.40
8.1.60.0060.00317.59
8.1.50.0030.00517.52
8.1.40.0000.00717.38
8.1.30.0000.00817.65
8.1.20.0050.00317.67
8.1.10.0040.00417.48
8.1.00.0040.00417.49
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0040.00418.49
8.0.270.0030.00317.25
8.0.260.0060.00018.88
8.0.250.0060.00016.95
8.0.240.0000.00717.00
8.0.230.0060.00316.98
8.0.220.0070.00016.92
8.0.210.0040.00416.90
8.0.200.0040.00416.96
8.0.190.0100.00316.99
8.0.180.0050.00316.86
8.0.170.0030.00316.90
8.0.160.0060.00316.91
8.0.150.0030.00316.91
8.0.140.0040.00416.83
8.0.130.0060.00013.35
8.0.120.0040.00416.79
8.0.110.0040.00416.87
8.0.100.0000.00716.86
8.0.90.0000.00716.88
8.0.80.0070.01416.86
8.0.70.0000.00716.88
8.0.60.0000.00816.74
8.0.50.0050.00316.90
8.0.30.0090.01017.10
8.0.20.0100.01017.40
8.0.10.0000.00816.86
8.0.00.0100.00716.56
7.4.330.0020.00215.55
7.4.320.0000.00616.39
7.4.300.0030.00316.54
7.4.290.0030.00316.63
7.4.280.0000.00816.49
7.4.270.0030.00316.59
7.4.260.0080.00416.48
7.4.250.0080.00016.52
7.4.240.0000.00716.49
7.4.230.0000.00716.52
7.4.220.0130.00616.57
7.4.210.0080.00916.59
7.4.200.0000.00816.36
7.4.160.0050.01416.49
7.4.150.0070.01017.40
7.4.140.0100.00917.86
7.4.130.0150.01116.39
7.4.120.0080.01216.51
7.4.110.0060.01216.48
7.4.100.0060.01216.33
7.4.90.0060.01116.38
7.4.80.0090.01019.39
7.4.70.0140.00316.64
7.4.60.0090.00916.41
7.4.50.0090.00616.53
7.4.40.0100.00716.36
7.4.30.0030.01416.44
7.4.10.0030.01615.02
7.4.00.0110.00715.05
7.3.330.0000.00513.34
7.3.320.0000.00513.33
7.3.310.0030.00316.34
7.3.300.0040.00416.36
7.3.290.0080.00916.33
7.3.280.0100.00716.36
7.3.270.0050.01217.40
7.3.260.0110.00916.61
7.3.250.0040.01616.41
7.3.240.0120.00516.45
7.3.230.0090.00916.61
7.3.210.0090.00616.33
7.3.200.0090.00616.38
7.3.190.0060.00916.39
7.3.180.0060.00916.67
7.3.170.0030.01616.54
7.3.160.0060.01016.43
7.3.130.0120.00614.90
7.3.120.0100.00514.78
7.3.110.0090.00814.92
7.3.100.0090.00714.73
7.3.90.0050.01014.94
7.3.80.0060.00814.93
7.3.70.0050.01114.77
7.3.60.0100.00414.66
7.3.50.0030.00814.84
7.3.40.0100.00314.87
7.3.30.0000.01114.84
7.3.20.0050.00816.68
7.3.10.0090.00616.52
7.3.00.0070.00716.47
7.2.330.0090.00716.32
7.2.320.0150.00916.75
7.2.310.0090.01216.40
7.2.300.0130.00716.45
7.2.290.0100.00616.71
7.2.260.0090.00615.00
7.2.250.0090.00915.13
7.2.240.0070.01115.13
7.2.230.0090.00615.12
7.2.220.0090.00914.80
7.2.210.0100.00714.89
7.2.200.0060.00914.98
7.2.190.0100.00615.09
7.2.180.0000.01114.83
7.2.170.0020.01215.05
7.2.160.0000.01514.89
7.2.150.0070.00716.97
7.2.140.0070.00416.98
7.2.130.0090.00416.90
7.2.120.0070.00916.81
7.2.110.0100.00316.89
7.2.100.0070.00516.77
7.2.90.0060.00816.86
7.2.80.0060.00716.86
7.2.70.0090.00416.81
7.2.60.0070.00816.87
7.2.50.0070.00616.84
7.2.40.0090.00516.93
7.2.30.0090.00616.89
7.2.20.0020.01116.93
7.2.10.0060.00816.75
7.2.00.0020.01216.80
7.1.330.0060.00815.72
7.1.320.0090.00815.74
7.1.310.0050.01115.65
7.1.300.0030.01015.64
7.1.290.0030.00915.61
7.1.280.0050.01015.74
7.1.270.0060.00615.72
7.1.260.0080.00515.75
7.1.250.0080.00515.69
7.1.240.0060.00615.94
7.1.230.0040.00415.64
7.1.220.0080.00015.72
7.1.210.0070.00715.91
7.1.200.0040.00715.76
7.1.190.0060.00915.80
7.1.180.0000.00815.79
7.1.170.0030.00615.76
7.1.160.0030.01315.49
7.1.150.0030.01015.70
7.1.140.0060.00615.52
7.1.130.0000.01215.89
7.1.120.0060.00316.01
7.1.110.0060.00315.55
7.1.100.0080.00815.63
7.1.90.0060.00716.89
7.1.80.0040.00916.93
7.1.70.0030.01016.30
7.1.60.0140.00525.44
7.1.50.0130.00525.21
7.1.40.0140.00925.06
7.1.30.0170.00925.05
7.1.20.0110.01125.06
7.1.10.0070.00916.09
7.1.00.0050.00716.06
7.0.330.0030.00615.35
7.0.320.0120.00315.34
7.0.310.0090.00015.56
7.0.300.0100.00315.40
7.0.290.0000.01415.33
7.0.280.0000.01315.20
7.0.270.0090.00615.35
7.0.260.0040.00815.57
7.0.250.0060.00615.56
7.0.240.0070.00715.44
7.0.230.0060.00315.48
7.0.220.0080.00615.24
7.0.210.0070.00715.47
7.0.200.0060.00516.07
7.0.190.0070.00715.99
7.0.180.0080.00715.85
7.0.170.0000.01515.83
7.0.160.0050.00715.83
7.0.150.0060.00815.73
7.0.140.0030.01015.86
7.0.130.0050.00816.05
7.0.120.0070.00616.05
7.0.110.0040.01215.84
7.0.100.0030.01015.74
7.0.90.0070.00715.70
7.0.80.0070.00415.98
7.0.70.0030.00815.73
7.0.60.0050.00815.84
7.0.50.0040.00915.81
7.0.40.0040.00914.99
7.0.30.0060.00615.16
7.0.20.0060.00814.82
7.0.10.0060.00814.84
7.0.00.0060.00814.93
5.6.400.0030.00913.97
5.6.390.0080.00614.15
5.6.380.0070.00314.23
5.6.370.0060.00914.28
5.6.360.0070.00714.15
5.6.350.0050.00814.57
5.6.340.0030.01014.62
5.6.330.0110.00314.11
5.6.320.0030.01014.08
5.6.310.0070.00314.24
5.6.300.0000.01014.33
5.6.290.0030.00914.55
5.6.280.0030.00914.43
5.6.270.0060.00914.00
5.6.260.0030.00614.55
5.6.250.0030.01414.46
5.6.240.0030.01414.34
5.6.230.0030.00914.34
5.6.220.0070.00714.05
5.6.210.0040.00814.48
5.6.200.0030.00914.23
5.6.190.0030.01014.10
5.6.180.0060.00314.42
5.6.170.0070.00314.40
5.6.160.0040.01114.21
5.6.150.0040.00714.18
5.6.140.0090.00314.39
5.6.130.0030.00614.26
5.6.120.0030.01014.33
5.6.110.0030.01014.34
5.6.100.0000.01314.41
5.6.90.0080.00814.21
5.6.80.0030.00914.41
5.6.70.0070.01114.34
5.6.60.0040.01114.46
5.6.50.0070.00714.30
5.6.40.0030.01414.03
5.6.30.0040.00714.32
5.6.20.0070.00414.09
5.6.10.0030.00914.16
5.6.00.0000.01214.34

preferences:
49.67 ms | 401 KiB | 5 Q