3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'healing'; function matrix($input) { $inputIdx = str_split($input); $inputLen = strlen($input); for ($i = 0; $i < $inputLen; $i++) { for ($j = 0; $j < $inputLen; $j++) { $key = $i + $j; if (!array_key_exists($i+$j, $inputIdx)) { $key -= $inputLen; } echo $inputIdx[$key]; } echo PHP_EOL; } } matrix($str);

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)
8.3.60.0150.00516.50
8.3.50.0110.00418.15
8.3.40.0040.01118.63
8.3.30.0100.01018.54
8.3.20.0080.00019.19
8.3.10.0040.00421.77
8.3.00.0050.00323.66
8.2.180.0070.01318.29
8.2.170.0100.00722.96
8.2.160.0070.00719.41
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00222.25
8.2.120.0040.00426.35
8.2.110.0070.00322.26
8.2.100.0080.00417.77
8.2.90.0040.00419.35
8.2.80.0000.00917.97
8.2.70.0060.00318.05
8.2.60.0000.00818.03
8.2.50.0040.00418.10
8.2.40.0080.00019.30
8.2.30.0050.00219.38
8.2.20.0000.00718.07
8.2.10.0000.00718.11
8.2.00.0050.00219.49
8.1.280.0070.00725.92
8.1.270.0070.00022.05
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0090.00022.61
8.1.230.0110.00018.99
8.1.220.0080.00017.77
8.1.210.0040.00418.77
8.1.200.0080.00017.23
8.1.190.0030.00517.25
8.1.180.0030.00618.10
8.1.170.0040.00418.84
8.1.160.0040.00418.94
8.1.150.0060.00318.95
8.1.140.0000.00717.71
8.1.130.0040.00418.91
8.1.120.0040.00417.52
8.1.110.0040.00417.46
8.1.100.0060.00317.38
8.1.90.0000.00817.48
8.1.80.0080.00017.35
8.1.70.0040.00417.36
8.1.60.0030.00517.60
8.1.50.0030.00517.54
8.1.40.0000.00717.40
8.1.30.0070.00317.61
8.1.20.0050.00317.64
8.1.10.0040.00417.53
8.1.00.0000.00717.44
8.0.300.0000.00718.77
8.0.290.0050.00216.63
8.0.280.0000.00718.43
8.0.270.0000.00717.28
8.0.260.0040.00417.13
8.0.250.0040.00416.82
8.0.240.0040.00416.92
8.0.230.0030.00616.82
8.0.220.0040.00416.86
8.0.210.0050.00216.84
8.0.200.0070.00016.96
8.0.190.0000.00816.92
8.0.180.0030.00516.95
8.0.170.0000.00816.79
8.0.160.0040.00416.85
8.0.150.0070.00016.91
8.0.140.0030.00316.80
8.0.130.0000.00613.31
8.0.120.0020.00516.83
8.0.110.0070.00016.89
8.0.100.0080.00016.75
8.0.90.0000.00816.89
8.0.80.0100.00516.86
8.0.70.0040.00417.00
8.0.60.0040.00416.82
8.0.50.0060.00316.89
8.0.30.0110.01017.07
8.0.20.0130.00817.40
8.0.10.0030.00316.86
8.0.00.0080.00916.65
7.4.330.0000.00415.55
7.4.320.0030.00316.51
7.4.300.0000.00716.35
7.4.290.0030.00316.50
7.4.280.0030.00516.58
7.4.270.0060.00316.51
7.4.260.0000.00716.47
7.4.250.0040.00416.51
7.4.240.0040.00416.42
7.4.230.0030.00316.43
7.4.220.0000.00716.57
7.4.210.0110.00816.45
7.4.200.0000.00716.62
7.4.160.0070.01016.47
7.4.140.0110.00817.86
7.4.130.0060.01216.40
7.4.120.0110.00916.56
7.4.110.0140.00316.57
7.4.100.0060.00916.34
7.4.90.0100.01016.65
7.4.80.0070.01419.39
7.4.70.0110.00716.62
7.4.60.0150.00316.57
7.4.50.0100.00616.26
7.4.40.0130.00316.31
7.4.10.0070.01015.09
7.4.00.0070.01015.01
7.3.330.0000.00513.35
7.3.320.0060.00013.21
7.3.310.0000.00716.27
7.3.300.0050.00216.23
7.3.290.0030.00316.19
7.3.280.0110.00816.38
7.3.260.0090.00816.57
7.3.240.0090.00816.45
7.3.230.0140.00316.56
7.3.210.0100.01316.32
7.3.200.0090.00916.54
7.3.190.0030.01316.47
7.3.180.0100.00716.30
7.3.170.0150.00416.27
7.3.160.0100.00616.24
7.3.130.0040.01414.74
7.3.120.0050.01214.99
7.3.110.0080.00915.02
7.3.100.0110.00614.92
7.3.90.0080.00915.01
7.3.80.0100.00514.87
7.3.70.0050.01114.89
7.3.60.0080.00514.76
7.3.50.0040.01014.92
7.3.40.0020.01014.86
7.3.30.0030.01214.87
7.3.20.0050.00916.79
7.3.10.0030.01016.66
7.3.00.0060.00716.79
7.2.330.0110.00616.86
7.2.320.0130.00316.63
7.2.310.0090.00916.80
7.2.300.0040.01416.68
7.2.290.0150.00916.59
7.2.260.0120.00615.23
7.2.250.0080.01015.18
7.2.240.0070.01114.96
7.2.230.0050.01015.12
7.2.220.0060.01115.09
7.2.210.0060.00715.11
7.2.200.0060.00914.94
7.2.190.0070.00714.95
7.2.180.0050.00714.92
7.2.170.0100.00415.07
7.2.160.0030.00515.22
7.2.150.0000.01216.96
7.2.140.0060.00316.80
7.2.130.0120.00017.10
7.2.120.0100.00716.95
7.2.110.0030.01016.78
7.2.100.0000.01316.73
7.2.90.0090.00316.93
7.2.80.0090.00916.87
7.2.70.0660.00516.00
7.2.60.0450.01215.87
7.2.50.0490.00516.02
7.2.40.0480.00915.92
7.2.30.0430.00715.79
7.2.20.0410.00715.90
7.2.10.0580.01315.66
7.2.00.0440.00715.92
7.1.330.0030.01115.85
7.1.320.0080.00615.80
7.1.310.0070.00615.82
7.1.300.0060.00615.89
7.1.290.0030.00915.74
7.1.280.0090.00415.75
7.1.270.0080.00415.77
7.1.260.0060.00415.78
7.1.250.0100.00316.04
7.1.240.0150.00315.64
7.1.230.0090.00615.95
7.1.220.0030.00915.74
7.1.210.0060.00615.91
7.1.200.0050.00715.97
7.1.190.0090.00615.98
7.1.180.0030.00615.93
7.1.170.0520.00414.85
7.1.160.0430.01014.79
7.1.150.0410.00814.79
7.1.140.0420.00214.90
7.1.130.0440.00814.70
7.1.120.0580.00814.71
7.1.110.0440.00314.83
7.1.100.0490.00014.84
7.1.90.0780.00914.69
7.1.80.0550.00514.61
7.1.70.0580.00714.96
7.1.60.0680.00423.75
7.1.50.0970.01223.85
7.1.40.0960.00523.88
7.1.30.0950.00823.61
7.1.20.1020.01423.64
7.1.10.0850.01114.72
7.1.00.0880.00614.66
7.0.330.0000.01215.13
7.0.320.0080.00415.44
7.0.310.0060.00615.53
7.0.300.0060.00615.43
7.0.290.0110.00015.44
7.0.280.0000.01215.41
7.0.270.0030.00915.43
7.0.260.0000.01315.25
7.0.250.0000.01215.20
7.0.240.0040.00815.48
7.0.230.0000.01015.41
7.0.220.0040.00715.52
7.0.210.0030.00615.14
7.0.200.0070.00415.38
7.0.190.0090.00315.58
7.0.180.0060.00915.50
7.0.170.0050.00315.28
7.0.160.0060.00915.47
7.0.150.0090.00615.58
7.0.140.0000.01215.54
7.0.130.0060.00315.58
7.0.120.0000.01215.28
7.0.110.0040.00715.21
7.0.100.0050.00515.24
7.0.90.0040.01115.27
7.0.80.0030.00515.29
7.0.70.0030.01315.45
7.0.60.0030.00715.48
7.0.50.0000.01215.45
7.0.40.0070.00313.41
7.0.30.0040.00413.43
7.0.20.0090.00313.59
7.0.10.0030.00613.59
7.0.00.0040.00813.32
5.6.400.0090.00014.07
5.6.390.0100.00714.63
5.6.380.0090.00314.41
5.6.370.0000.01614.53
5.6.360.0110.00414.23
5.6.350.0000.01214.39
5.6.340.0030.01014.32
5.6.330.0040.00814.84
5.6.320.0120.00014.17
5.6.310.0110.00414.36
5.6.300.0000.01414.50
5.6.290.0060.00314.48
5.6.280.0090.00914.69
5.6.270.0120.00414.51
5.6.260.0070.00714.34
5.6.250.0040.00814.17
5.6.240.0000.00814.44
5.6.230.0040.00714.50
5.6.220.0110.00414.30
5.6.210.0040.00414.21
5.6.200.0070.00714.27
5.6.190.0030.00714.65
5.6.180.0030.01314.42
5.6.170.0070.00714.33
5.6.160.0060.00614.47
5.6.150.0040.01114.46
5.6.140.0060.00614.48
5.6.130.0130.00314.12
5.6.120.0100.00714.48
5.6.110.0040.00714.25
5.6.100.0030.00914.61
5.6.90.0000.01614.18
5.6.80.0030.01114.55
5.6.70.0030.00714.35
5.6.60.0040.00714.46
5.6.50.0060.00614.43
5.6.40.0040.01114.44
5.6.30.0030.01014.25
5.6.20.0080.00314.54
5.6.10.0040.00414.38
5.6.00.0100.00314.23

preferences:
78.05 ms | 401 KiB | 5 Q