3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dc09crc($data) { function calc_crc($crc, $debyte) { $deze = ord($debyte); foreach (range(0, 7) as $i) { $deze ^= $crc & 1; $crc >>= 1; if ($deze & 1) { $crc ^= 0xa001; } $deze >>= 1; } return $crc; } $crc = 0; foreach (range(0, strlen($data)-1) as $j) { $crc = calc_crc($crc, $data[$j]); } return $crc; } $response = '7CFD0011"ACK"0001#00411[]'; $t = explode('"', $response); echo strpos($response, '"'); $payload = ""; //foreach(range(1, sizeof($t)-1) as $e) { // echo $e; //} //if ($tokens[0] != dc89crc()

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)
8.3.70.0090.00618.30
8.3.60.0150.00618.28
8.3.50.0100.01017.91
8.3.40.0100.01018.71
8.3.30.0100.00718.47
8.3.20.0000.00819.16
8.3.10.0040.00421.81
8.3.00.0040.00420.39
8.2.190.0070.00718.25
8.2.180.0120.00318.41
8.2.170.0150.00422.96
8.2.160.0070.00722.13
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00019.70
8.2.120.0000.00826.35
8.2.110.0070.01022.11
8.2.100.0060.00617.72
8.2.90.0080.00017.50
8.2.80.0080.00017.97
8.2.70.0040.00417.93
8.2.60.0000.00818.09
8.2.50.0000.00818.10
8.2.40.0040.00419.30
8.2.30.0000.00719.13
8.2.20.0000.00818.07
8.2.10.0040.00417.96
8.2.00.0060.00617.53
8.1.280.0120.00625.92
8.1.270.0000.00818.94
8.1.260.0080.00826.35
8.1.250.0070.00028.09
8.1.240.0030.01723.96
8.1.230.0040.00817.48
8.1.220.0060.00317.78
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.13
8.1.180.0040.00418.10
8.1.170.0030.00618.60
8.1.160.0000.00718.90
8.1.150.0040.00418.74
8.1.140.0040.00422.06
8.1.130.0030.00320.27
8.1.120.0070.00017.38
8.1.110.0000.00817.40
8.1.100.0040.00417.40
8.1.90.0050.00517.41
8.1.80.0050.00317.45
8.1.70.0000.00817.41
8.1.60.0000.00917.57
8.1.50.0040.00417.38
8.1.40.0050.00317.45
8.1.30.0040.00417.61
8.1.20.0000.00717.61
8.1.10.0000.00817.57
8.1.00.0000.00817.38
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0060.00318.49
8.0.270.0030.00317.26
8.0.260.0000.00618.52
8.0.250.0050.00316.88
8.0.240.0070.00016.98
8.0.230.0060.00316.88
8.0.220.0000.00716.73
8.0.210.0000.00716.80
8.0.200.0040.00416.81
8.0.190.0000.00716.96
8.0.180.0050.00316.84
8.0.170.0060.00316.87
8.0.160.0080.00016.67
8.0.150.0040.00316.77
8.0.140.0000.00816.77
8.0.130.0030.00313.22
8.0.120.0050.00316.79
8.0.110.0000.00716.82
8.0.100.0050.00216.79
8.0.90.0070.00016.69
8.0.80.0070.00916.80
8.0.70.0040.00416.66
8.0.60.0040.00416.84
8.0.50.0050.00216.79
8.0.30.0110.00817.08
8.0.20.0130.00717.40
8.0.10.0040.00416.81
8.0.00.0090.00916.64
7.4.330.0050.00015.55
7.4.320.0030.00316.54
7.4.300.0000.00716.53
7.4.290.0000.00716.43
7.4.280.0040.00416.57
7.4.270.0040.00416.52
7.4.260.0000.00716.56
7.4.250.0030.00416.43
7.4.240.0070.00016.57
7.4.230.0000.00716.34
7.4.220.0050.00316.46
7.4.210.0050.01116.50
7.4.200.0070.00016.57
7.4.160.0100.00816.54
7.4.140.0130.00817.86
7.4.130.0110.00516.46
7.4.120.0100.00916.54
7.4.110.0170.00716.44
7.4.100.0060.01016.41
7.4.90.0090.00916.38
7.4.80.0050.01419.39
7.4.70.0070.01016.49
7.4.60.0130.00316.27
7.4.50.0150.00416.70
7.4.40.0090.01316.58
7.3.330.0030.00313.17
7.3.320.0060.00013.11
7.3.310.0030.00616.28
7.3.300.0030.00316.05
7.3.290.0070.00016.16
7.3.280.0090.00716.16
7.3.260.0070.01116.26
7.3.240.0060.01216.31
7.3.230.0140.00416.14
7.3.210.0040.01216.32
7.3.200.0060.01016.52
7.3.190.0060.01316.41
7.3.180.0100.00716.45
7.3.170.0170.00016.32
7.3.160.0160.00016.36
7.2.330.0090.00916.52
7.2.320.0070.01116.23
7.2.310.0060.01216.61
7.2.300.0110.01116.31
7.2.290.0090.00816.44

preferences:
53.94 ms | 401 KiB | 5 Q