3v4l.org

run code in 300+ PHP versions simultaneously
<?php function compare($left, $right) { if (($length = strlen($left)) != strlen($right)) { return false; } for ($i = 0, $result = 0; $i < $length; $i++) { $result |= ord($left[$i]) ^ ord($right[$i]); } return $result === 0; } var_dump(compare('A', 'A')); var_dump(comapre('A', 'a')); var_dump(compare('AAA', 'AAA')); var_dump(compare('µ', 'µ'));

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)
8.3.60.0070.00716.88
8.3.50.0060.00916.47
8.3.40.0120.00318.91
8.3.30.0100.01318.86
8.3.20.0070.00020.15
8.3.10.0050.00321.87
8.3.00.0070.00021.75
8.2.180.0070.01016.88
8.2.170.0090.00922.96
8.2.160.0100.01020.29
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00820.69
8.2.120.0060.00326.35
8.2.110.0000.01019.33
8.2.100.0120.00017.91
8.2.90.0030.00619.18
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0030.00617.93
8.2.50.0060.00318.09
8.2.40.0050.00520.45
8.2.30.0070.00019.50
8.2.20.0000.00817.75
8.2.10.0040.00418.07
8.2.00.0040.00417.91
8.1.280.0090.01225.92
8.1.270.0040.00422.05
8.1.260.0040.00428.09
8.1.250.0020.00528.09
8.1.240.0030.00621.12
8.1.230.0110.00017.52
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0080.00017.25
8.1.180.0080.00018.10
8.1.170.0000.00818.62
8.1.160.0000.00720.77
8.1.150.0000.00718.94
8.1.140.0040.00419.64
8.1.130.0070.00017.64
8.1.120.0030.00317.46
8.1.110.0020.00517.41
8.1.100.0040.00417.45
8.1.90.0040.00417.45
8.1.80.0000.00917.34
8.1.70.0030.00517.36
8.1.60.0080.00317.54
8.1.50.0030.00517.45
8.1.40.0040.00417.39
8.1.30.0000.00817.57
8.1.20.0040.00417.61
8.1.10.0060.00317.53
8.1.00.0000.00817.41
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.32
8.0.270.0000.00717.14
8.0.260.0030.00317.20
8.0.250.0040.00416.97
8.0.240.0000.00716.89
8.0.230.0040.00316.94
8.0.220.0070.00016.89
8.0.210.0030.00516.89
8.0.200.0040.00416.98
8.0.190.0000.00816.92
8.0.180.0070.00016.88
8.0.170.0000.00816.88
8.0.160.0040.00416.91
8.0.150.0040.00416.77
8.0.140.0000.00716.81
8.0.130.0000.00513.34
8.0.120.0050.00316.96
8.0.110.0060.00316.78
8.0.100.0040.00416.69
8.0.90.0040.00416.78
8.0.80.0150.00016.93
8.0.70.0040.00416.91
8.0.60.0040.00416.70
8.0.50.0000.00716.77
8.0.30.0110.00716.94
8.0.20.0140.01517.40
8.0.10.0040.00417.00
8.0.00.0110.00616.64
7.4.330.0050.00016.84
7.4.320.0030.00316.41
7.4.300.0000.00816.63
7.4.290.0000.00616.53
7.4.280.0050.00316.61
7.4.270.0030.00316.50
7.4.260.0030.00316.51
7.4.250.0040.00416.60
7.4.240.0050.00316.54
7.4.230.0030.00316.50
7.4.220.0090.01016.50
7.4.210.0130.00716.51
7.4.200.0050.00216.59
7.4.160.0090.00616.54
7.4.150.0120.00617.40
7.4.140.0120.00817.86
7.4.130.0110.00916.40
7.4.120.0050.01216.43
7.4.110.0070.01016.58
7.4.100.0030.01316.59
7.4.90.0080.00816.58
7.4.80.0030.01419.39
7.4.70.0030.01316.55
7.4.60.0070.01116.59
7.4.50.0040.01116.45
7.4.40.0160.00016.38
7.4.30.0000.01816.74
7.4.00.0100.00714.83
7.3.330.0070.00013.29
7.3.320.0000.00513.25
7.3.310.0030.00316.42
7.3.300.0070.00016.46
7.3.290.0210.01216.43
7.3.280.0080.00916.46
7.3.270.0160.00317.40
7.3.260.0140.01016.61
7.3.250.0070.01316.51
7.3.240.0100.00916.44
7.3.230.0090.00916.63
7.3.210.0070.01016.61
7.3.200.0060.01119.39
7.3.190.0100.00616.54
7.3.180.0030.01416.64
7.3.170.0110.00816.66
7.3.160.0030.01316.52
7.3.10.0090.00316.53
7.3.00.0090.00616.86
7.2.330.0090.00916.44
7.2.320.0070.01016.71
7.2.310.0050.01116.55
7.2.300.0100.00616.48
7.2.290.0060.01016.67
7.2.130.0070.00716.98
7.2.120.0040.01116.70
7.2.110.0060.00316.97
7.2.100.0030.00616.83
7.2.90.0110.00416.75
7.2.80.0090.00316.90
7.2.70.0070.00717.11
7.2.60.0090.00617.00
7.2.50.0100.00316.79
7.2.40.0070.00716.66
7.2.30.0070.00716.71
7.2.20.0070.00716.84
7.2.10.0070.00317.13
7.2.00.0050.00918.36
7.1.250.0030.00615.86
7.1.200.0040.00415.66
7.1.100.0030.01218.14
7.1.70.0060.01017.19
7.1.60.0110.01119.40
7.1.50.0030.00716.96
7.1.00.0070.07322.30
7.0.200.0200.00715.05
7.0.60.0170.05020.05
7.0.50.0070.08017.88
7.0.40.0100.04020.32
7.0.30.0230.05720.21
7.0.20.0130.04320.25
7.0.10.0070.06720.26
7.0.00.0030.08320.16
5.6.280.0030.07321.12
5.6.210.0100.03320.48
5.6.200.0170.07318.12
5.6.190.0070.06720.33
5.6.180.0270.04320.55
5.6.170.0230.05720.58
5.6.160.0200.06720.43
5.6.150.0030.05718.18
5.6.140.0100.07718.23
5.6.130.0070.05018.20
5.6.120.0000.04720.97
5.6.110.0070.08021.12
5.6.100.0100.05721.01
5.6.90.0070.06020.98
5.6.80.0130.07020.43
5.5.350.0270.07720.41
5.5.340.0030.04018.07
5.5.330.0130.07720.43
5.5.320.0170.07720.42
5.5.310.0300.04320.51
5.5.300.0070.08318.07
5.5.290.0130.07017.95
5.5.280.0100.05020.77
5.5.270.0030.04320.76
5.5.260.0170.07320.73
5.5.250.0070.08320.59
5.5.240.4200.04020.27

preferences:
44.68 ms | 401 KiB | 5 Q