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<?php function utime() { list($usec, $sec) = explode(" ",microtime()); return ((float)$usec + (float)$sec); } $loop=10000; $cases = array('best case'=> 'a', 'worst case'=> 'z'); $ar = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'); foreach($cases as $case => $x){ $a = utime(); for($i=0;$i<$loop; $i++){ $result = ($x == 'a' || $x == 'b' || $x == 'c' || $x == 'd' || $x == 'e' || $x == 'f' || $x == 'g' || $x == 'h' || $x == 'i' || $x == 'j' || $x == 'k' || $x == 'l' || $x == 'm' || $x == 'n' || $x == 'o' || $x == 'p' || $x == 'q' || $x == 'r' || $x == 's' || $x == 't' || $x == 'u' || $x == 'v' || $x == 'w' || $x == 'x' || $x == 'y' || $x == 'z'); } $b = utime(); for($i=0;$i<$loop; $i++){ $result = in_array($x, $ar); } $c = utime(); printf("%-25s = %s\n", "$case in_array()", number_format($c-$b, 3)); printf("%-25s = %s\n", "$case logical or", number_format($b-$a, 3)); }
Output for 7.0.7, 7.2.0
best case in_array() = 0.000 best case logical or = 0.001 worst case in_array() = 0.001 worst case logical or = 0.004
Output for 7.1.7
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.003 worst case logical or = 0.006
Output for 7.1.6
best case in_array() = 0.000 best case logical or = 0.001 worst case in_array() = 0.001 worst case logical or = 0.003
Output for 7.1.5
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.003 worst case logical or = 0.007
Output for 7.0.14, 7.1.0
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.002 worst case logical or = 0.006
Output for 7.0.20
best case in_array() = 0.000 best case logical or = 0.001 worst case in_array() = 0.002 worst case logical or = 0.003
Output for 7.0.3, 7.0.5 - 7.0.6
best case in_array() = 0.001 best case logical or = 0.001 worst case in_array() = 0.002 worst case logical or = 0.005
Output for 7.0.1, 7.0.4
best case in_array() = 0.001 best case logical or = 0.001 worst case in_array() = 0.002 worst case logical or = 0.006
Output for 7.0.2
best case in_array() = 0.000 best case logical or = 0.001 worst case in_array() = 0.002 worst case logical or = 0.005
Output for 7.0.0
best case in_array() = 0.000 best case logical or = 0.001 worst case in_array() = 0.001 worst case logical or = 0.005
Output for 5.6.28
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.010 worst case logical or = 0.012
Output for 5.5.5, 5.6.22
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.007 worst case logical or = 0.007
Output for 5.5.33, 5.6.16, 5.6.21
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.009 worst case logical or = 0.010
Output for 5.3.10, 5.4.4, 5.4.6, 5.5.30, 5.6.4, 5.6.20
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.009 worst case logical or = 0.011
Output for 5.2.5, 5.6.19
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.008 worst case logical or = 0.011
Output for 5.3.0, 5.3.14, 5.3.21 - 5.3.23, 5.3.25, 5.4.15, 5.5.11, 5.5.15, 5.6.15, 5.6.18
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.008 worst case logical or = 0.009
Output for 5.3.8 - 5.3.9, 5.4.13, 5.4.45, 5.6.17
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.009 worst case logical or = 0.010
Output for 5.3.13, 5.3.20, 5.4.31, 5.5.22 - 5.5.23, 5.5.27, 5.6.3, 5.6.14
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.007 worst case logical or = 0.008
Output for 5.5.35, 5.6.13
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.007 worst case logical or = 0.010
Output for 5.4.8, 5.4.29, 5.4.38, 5.4.44, 5.5.24, 5.6.12
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.007 worst case logical or = 0.008
Output for 5.4.1, 5.4.12, 5.5.28, 5.5.32, 5.6.10 - 5.6.11
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.008 worst case logical or = 0.010
Output for 5.5.0, 5.5.2, 5.5.4, 5.5.29, 5.6.7, 5.6.9
best case in_array() = 0.001 best case logical or = 0.001 worst case in_array() = 0.006 worst case logical or = 0.007
Output for 5.3.15 - 5.3.16, 5.4.3, 5.4.11, 5.4.20, 5.4.24, 5.4.37, 5.5.1, 5.5.9 - 5.5.10, 5.5.12, 5.5.14, 5.5.19, 5.5.21, 5.5.25 - 5.5.26, 5.5.34, 5.6.8
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.006 worst case logical or = 0.007
Output for 5.5.16, 5.6.6
best case in_array() = 0.001 best case logical or = 0.001 worst case in_array() = 0.006 worst case logical or = 0.006
Output for 5.3.29, 5.4.30, 5.5.3, 5.5.7 - 5.5.8, 5.5.13, 5.5.18, 5.6.0, 5.6.5
best case in_array() = 0.001 best case logical or = 0.001 worst case in_array() = 0.005 worst case logical or = 0.006
Output for 5.4.21, 5.4.26, 5.5.6, 5.5.20, 5.6.2
best case in_array() = 0.001 best case logical or = 0.001 worst case in_array() = 0.005 worst case logical or = 0.005
Output for 5.4.36, 5.5.31, 5.5.36, 5.6.1
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.006 worst case logical or = 0.008
Output for 5.2.1, 5.4.35, 5.4.43
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.007 worst case logical or = 0.010
Output for 5.4.42
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.008 worst case logical or = 0.008
Output for 5.4.2, 5.4.16 - 5.4.19, 5.4.22, 5.4.25, 5.4.27 - 5.4.28, 5.4.39, 5.4.41
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.005 worst case logical or = 0.006
Output for 5.3.26, 5.4.32 - 5.4.34, 5.4.40
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.006 worst case logical or = 0.006
Output for 5.4.7, 5.4.23
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.007 worst case logical or = 0.009
Output for 5.4.14
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.008 worst case logical or = 0.012
Output for 5.4.10
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.008 worst case logical or = 0.009
Output for 5.4.9
best case in_array() = 0.001 best case logical or = 0.002 worst case in_array() = 0.006 worst case logical or = 0.008
Output for 5.4.5
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.008 worst case logical or = 0.010
Output for 5.4.0
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.008 worst case logical or = 0.011
Output for 5.3.28
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.006 worst case logical or = 0.007
Output for 5.3.11, 5.3.27
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.006 worst case logical or = 0.006
Output for 5.3.24
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.008 worst case logical or = 0.008
Output for 5.3.7, 5.3.19
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.007 worst case logical or = 0.008
Output for 5.3.18
best case in_array() = 0.003 best case logical or = 0.003 worst case in_array() = 0.008 worst case logical or = 0.013
Output for 5.3.17
best case in_array() = 0.002 best case logical or = 0.002 worst case in_array() = 0.006 worst case logical or = 0.009
Output for 5.3.3, 5.3.5, 5.3.12
best case in_array() = 0.003 best case logical or = 0.003 worst case in_array() = 0.010 worst case logical or = 0.011
Output for 5.3.6
best case in_array() = 0.003 best case logical or = 0.003 worst case in_array() = 0.009 worst case logical or = 0.010
Output for 5.3.4
best case in_array() = 0.003 best case logical or = 0.003 worst case in_array() = 0.010 worst case logical or = 0.012
Output for 5.2.6, 5.2.10, 5.2.17, 5.3.2
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.009 worst case logical or = 0.012
Output for 5.3.1
best case in_array() = 0.003 best case logical or = 0.003 worst case in_array() = 0.009 worst case logical or = 0.011
Output for 5.2.2, 5.2.16
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.012 worst case logical or = 0.016
Output for 5.2.15
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.012 worst case logical or = 0.015
Output for 5.2.7, 5.2.13 - 5.2.14
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.010 worst case logical or = 0.013
Output for 5.2.11 - 5.2.12
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.011 worst case logical or = 0.015
Output for 5.2.9
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.010 worst case logical or = 0.012
Output for 5.2.8
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.011 worst case logical or = 0.014
Output for 5.2.4
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.009 worst case logical or = 0.012
Output for 5.2.3
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.010 worst case logical or = 0.015
Output for 5.2.0
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.015 worst case logical or = 0.019
Output for 5.1.6
best case in_array() = 0.003 best case logical or = 0.003 worst case in_array() = 0.010 worst case logical or = 0.013
Output for 5.1.5
best case in_array() = 0.003 best case logical or = 0.005 worst case in_array() = 0.016 worst case logical or = 0.021
Output for 5.1.4
best case in_array() = 0.003 best case logical or = 0.005 worst case in_array() = 0.015 worst case logical or = 0.020
Output for 5.1.3
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.012 worst case logical or = 0.017
Output for 5.1.0, 5.1.2
best case in_array() = 0.002 best case logical or = 0.003 worst case in_array() = 0.011 worst case logical or = 0.014
Output for 5.1.1
best case in_array() = 0.003 best case logical or = 0.005 worst case in_array() = 0.014 worst case logical or = 0.018
Output for 5.0.5
best case in_array() = 0.006 best case logical or = 0.010 worst case in_array() = 0.016 worst case logical or = 0.038
Output for 5.0.4
best case in_array() = 0.005 best case logical or = 0.009 worst case in_array() = 0.015 worst case logical or = 0.030
Output for 5.0.3
best case in_array() = 0.006 best case logical or = 0.008 worst case in_array() = 0.018 worst case logical or = 0.036
Output for 5.0.2
best case in_array() = 0.006 best case logical or = 0.008 worst case in_array() = 0.019 worst case logical or = 0.038
Output for 5.0.1
best case in_array() = 0.005 best case logical or = 0.007 worst case in_array() = 0.017 worst case logical or = 0.032
Output for 5.0.0
best case in_array() = 0.005 best case logical or = 0.006 worst case in_array() = 0.015 worst case logical or = 0.029
Output for 4.4.9
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.018 worst case logical or = 0.037
Output for 4.4.8
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.019 worst case logical or = 0.038
Output for 4.4.7
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.015 worst case logical or = 0.035
Output for 4.4.6
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.015 worst case logical or = 0.030
Output for 4.4.5
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.018 worst case logical or = 0.036
Output for 4.4.4
best case in_array() = 0.005 best case logical or = 0.007 worst case in_array() = 0.015 worst case logical or = 0.029
Output for 4.4.3
best case in_array() = 0.006 best case logical or = 0.010 worst case in_array() = 0.018 worst case logical or = 0.039
Output for 4.4.2
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.018 worst case logical or = 0.039
Output for 4.4.1
best case in_array() = 0.003 best case logical or = 0.004 worst case in_array() = 0.011 worst case logical or = 0.021
Output for 4.4.0
best case in_array() = 0.003 best case logical or = 0.005 worst case in_array() = 0.012 worst case logical or = 0.023
Output for 4.3.11
best case in_array() = 0.004 best case logical or = 0.005 worst case in_array() = 0.013 worst case logical or = 0.026
Output for 4.3.10
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.015 worst case logical or = 0.033
Output for 4.3.9
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.017 worst case logical or = 0.033
Output for 4.3.8
best case in_array() = 0.006 best case logical or = 0.008 worst case in_array() = 0.018 worst case logical or = 0.034
Output for 4.3.7
best case in_array() = 0.006 best case logical or = 0.008 worst case in_array() = 0.016 worst case logical or = 0.035
Output for 4.3.6
best case in_array() = 0.004 best case logical or = 0.005 worst case in_array() = 0.015 worst case logical or = 0.027
Output for 4.3.5
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.022 worst case logical or = 0.043
Output for 4.3.4
best case in_array() = 0.006 best case logical or = 0.008 worst case in_array() = 0.019 worst case logical or = 0.034
Output for 4.3.3
best case in_array() = 0.005 best case logical or = 0.007 worst case in_array() = 0.017 worst case logical or = 0.031
Output for 4.3.2
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.022 worst case logical or = 0.042
Output for 4.3.1
best case in_array() = 0.006 best case logical or = 0.009 worst case in_array() = 0.021 worst case logical or = 0.039
Output for 4.3.0
best case in_array() = 0.006 best case logical or = 0.008 worst case in_array() = 0.020 worst case logical or = 0.037
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