3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = "9121221212119"; $calculate = function($input) { $sum = 0; $previousChar = $input[strlen($input) - 1]; foreach(str_split($input) as $char) { if ($char === $previousChar) { $sum += (int)$char; } $previousChar = $char; } return $sum; }; var_dump($calculate($input));

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)
8.3.60.0140.00718.38
8.3.50.0090.00618.19
8.3.40.0060.00918.85
8.3.30.0030.01318.83
8.3.20.0050.00320.24
8.3.10.0000.00918.77
8.3.00.0050.00221.77
8.2.180.0140.00316.75
8.2.170.0110.00422.96
8.2.160.0060.00920.34
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00320.30
8.2.120.0040.00426.35
8.2.110.0060.00321.03
8.2.100.0070.00418.16
8.2.90.0000.00718.22
8.2.80.0060.00318.03
8.2.70.0060.00317.93
8.2.60.0080.00018.13
8.2.50.0060.00318.10
8.2.40.0030.00522.27
8.2.30.0050.00319.34
8.2.20.0040.00418.18
8.2.10.0040.00418.23
8.2.00.0030.00618.18
8.1.280.0120.00325.92
8.1.270.0000.00722.20
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0000.01220.76
8.1.230.0090.00320.97
8.1.220.0000.00817.75
8.1.210.0050.00318.77
8.1.200.0090.00017.35
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0080.00018.59
8.1.160.0070.00018.86
8.1.150.0000.00720.20
8.1.140.0050.00219.09
8.1.130.0040.00418.88
8.1.120.0030.00317.33
8.1.110.0020.00517.46
8.1.100.0040.00417.38
8.1.90.0070.00417.46
8.1.80.0040.00417.43
8.1.70.0030.00317.48
8.1.60.0030.00517.48
8.1.50.0000.00817.42
8.1.40.0000.00817.59
8.1.30.0000.00817.60
8.1.20.0060.00317.72
8.1.10.0040.00417.60
8.1.00.0080.00017.43
8.0.300.0040.00419.73
8.0.290.0040.00816.75
8.0.280.0030.00318.50
8.0.270.0000.00817.27
8.0.260.0000.00618.78
8.0.250.0000.00816.90
8.0.240.0070.00016.98
8.0.230.0070.00016.82
8.0.220.0030.00316.93
8.0.210.0030.00316.87
8.0.200.0030.00316.83
8.0.190.0040.00416.95
8.0.180.0030.00316.82
8.0.170.0040.00417.01
8.0.160.0000.00716.92
8.0.150.0000.00816.93
8.0.140.0040.00416.83
8.0.130.0000.00613.29
8.0.120.0000.00716.76
8.0.110.0040.00416.88
8.0.100.0000.00816.97
8.0.90.0030.00516.90
8.0.80.0040.01116.92
8.0.70.0000.00816.80
8.0.60.0050.00316.80
8.0.50.0000.00716.90
8.0.30.0040.01516.91
8.0.20.0080.01117.40
8.0.10.0000.00716.81
8.0.00.0070.01616.99
7.4.330.0050.00015.55
7.4.320.0060.00016.70
7.4.300.0070.00016.61
7.4.290.0000.00716.43
7.4.280.0040.00416.54
7.4.270.0070.00016.66
7.4.260.0080.00016.59
7.4.250.0000.00716.62
7.4.240.0040.00416.45
7.4.230.0000.00716.41
7.4.220.0080.00816.51
7.4.210.0090.00616.59
7.4.200.0000.00716.42
7.4.160.0110.00616.49
7.4.150.0090.00917.40
7.4.140.0100.01017.86
7.4.130.0030.01416.48
7.4.120.0090.01216.57
7.4.110.0090.01216.46
7.4.100.0120.00616.58
7.4.90.0100.00716.48
7.4.80.0080.00819.39
7.4.70.0080.01716.64
7.4.60.0130.00416.46
7.4.50.0030.00816.76
7.4.40.0030.01416.43
7.4.30.0130.00916.32
7.4.10.0110.00715.04
7.4.00.0060.00914.87
7.3.330.0050.00013.40
7.3.320.0000.00613.25
7.3.310.0030.00316.34
7.3.300.0070.00016.26
7.3.290.0000.00716.35
7.3.280.0080.00916.38
7.3.270.0040.01317.40
7.3.260.0070.01116.48
7.3.250.0100.00916.45
7.3.240.0070.01116.57
7.3.230.0100.00716.53
7.3.210.0070.01116.58
7.3.200.0070.01016.59
7.3.190.0000.01716.32
7.3.180.0110.01116.54
7.3.170.0070.01016.38
7.3.160.0090.01216.46
7.3.130.0060.01314.65
7.3.120.0000.01315.09
7.3.110.0070.01015.14
7.3.100.0070.00714.89
7.3.90.0030.01015.08
7.3.80.0070.00715.04
7.3.70.0030.00714.61
7.3.60.0040.01414.98
7.3.50.0090.00614.94
7.3.40.0070.00714.74
7.3.30.0070.01014.84
7.3.20.0000.01116.74
7.3.10.0090.00316.54
7.3.00.0030.00616.79
7.2.330.0160.00416.85
7.2.320.0150.00316.68
7.2.310.0050.01116.63
7.2.300.0130.00316.45
7.2.290.0040.01216.44
7.2.260.0090.00915.30
7.2.250.0070.01015.05
7.2.240.0000.01314.66
7.2.230.0040.01415.23
7.2.220.0040.01514.99
7.2.210.0100.00315.12
7.2.200.0090.00614.97
7.2.190.0100.01015.21
7.2.180.0060.00815.12
7.2.170.0030.01215.23
7.2.160.0040.00714.98
7.2.150.0170.00016.78
7.2.140.0000.01516.72
7.2.130.0000.01217.05
7.2.120.0070.00317.14
7.2.110.0090.00016.92
7.2.100.0030.00716.62
7.2.90.0070.00317.13
7.2.80.0040.00717.06
7.2.70.0000.01116.89
7.2.60.0070.00616.96
7.2.50.0050.00816.93
7.2.40.0030.00616.95
7.2.30.0070.00717.06
7.2.20.0030.00816.70
7.2.10.0030.01016.55
7.2.00.0100.00518.26
7.1.330.0060.00615.95
7.1.320.0030.01315.76
7.1.310.0080.00415.76
7.1.300.0120.00315.51
7.1.290.0090.00415.84
7.1.280.0030.01015.70
7.1.270.0000.00815.85
7.1.260.0030.00615.89
7.1.250.0000.01215.84
7.1.240.0030.01015.91
7.1.230.0040.00415.95
7.1.220.0040.01115.77
7.1.210.0030.00515.81
7.1.200.0050.00915.86
7.1.190.0000.00915.54
7.1.180.0070.01015.79
7.1.170.0050.00815.64
7.1.160.0050.00515.62
7.1.150.0030.00715.88
7.1.140.0030.00715.86
7.1.130.0040.01115.86
7.1.120.0080.00917.40
7.1.110.0030.01216.95
7.1.100.0060.00616.98
7.1.90.0020.01216.87
7.1.80.0080.00516.84
7.1.70.0040.01016.50
7.1.60.0120.00825.45
7.1.50.0120.00625.21
7.1.40.0140.00825.11
7.1.30.0130.00625.17
7.1.20.0100.01225.24
7.1.10.0070.00816.24
7.1.00.0110.00316.20
7.0.330.0080.00415.36
7.0.320.0040.00415.29
7.0.310.0030.00815.22
7.0.300.0000.01215.40
7.0.290.0060.00615.25
7.0.280.0070.00315.38
7.0.270.0030.00515.34
7.0.260.0030.00615.19
7.0.250.0000.01615.50
7.0.240.0030.00915.65
7.0.230.0030.00615.50
7.0.220.0030.01015.27
7.0.210.0060.00615.44
7.0.200.0070.00315.66
7.0.190.0070.00715.51
7.0.180.0070.00715.48
7.0.170.0060.00315.45
7.0.160.0050.00515.33
7.0.150.0090.00915.47
7.0.140.0110.00415.52
7.0.130.0110.00015.59
7.0.120.0070.00715.29
7.0.110.0110.00015.55
7.0.100.0030.00815.52
7.0.90.0040.01315.55
7.0.80.0030.01015.57
7.0.70.0080.00515.42
7.0.60.0060.00615.43
7.0.50.0090.00615.54
7.0.40.0060.00313.32
7.0.30.0040.00413.46
7.0.20.0060.00313.63
7.0.10.0060.00913.45
7.0.00.0120.00313.66
5.6.400.0080.00514.40
5.6.390.0090.00314.38
5.6.380.0000.01114.40
5.6.370.0000.01514.38
5.6.360.0060.00314.10
5.6.350.0090.00014.63
5.6.340.0090.00314.52
5.6.330.0090.00314.17
5.6.320.0000.01213.95
5.6.310.0110.00314.27
5.6.300.0090.00914.27
5.6.290.0030.01314.33
5.6.280.0000.01114.21
5.6.270.0070.00714.73
5.6.260.0030.00914.55
5.6.250.0070.00414.48
5.6.240.0070.01014.29
5.6.230.0060.00914.27
5.6.220.0040.01114.28
5.6.210.0070.00714.32
5.6.200.0040.00714.11
5.6.190.0060.00614.24
5.6.180.0060.00914.25
5.6.170.0040.00914.16
5.6.160.0110.00414.56
5.6.150.0030.00914.29
5.6.140.0040.00814.57
5.6.130.0090.00314.43
5.6.120.0030.01014.23
5.6.110.0130.00314.18
5.6.100.0060.00914.13
5.6.90.0030.00614.30
5.6.80.0090.00614.15
5.6.70.0120.00614.15
5.6.60.0070.00714.46
5.6.50.0100.00714.50
5.6.40.0060.00914.39
5.6.30.0090.00614.24
5.6.20.0090.00914.18
5.6.10.0050.00514.21
5.6.00.0120.00614.13

preferences:
69.15 ms | 401 KiB | 5 Q