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<?php $i=0; $j=500000; while($i < 60000) { $i++; $j++; $data1[] = md5($i); $data2[] = md5($j); } $time = microtime(true); echo "Starting array_diff\n"; $data_diff1 = array_diff($data1, $data2); $time = microtime(true) - $time; echo 'array_diff() took ' . number_format($time, 3) . ' seconds and returned ' . count($data_diff1) . " entries\n";

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Output for 7.0.14, 7.0.17, 7.0.19 - 7.0.21, 7.0.24, 7.0.26 - 7.0.27, 7.0.29 - 7.0.30, 7.0.33, 7.1.5, 7.1.7, 7.1.12 - 7.1.14, 7.1.21 - 7.1.25, 7.1.28 - 7.1.29, 7.2.1, 7.2.6, 8.2.5, 8.2.7 - 8.2.10, 8.2.13, 8.2.15 - 8.2.17, 8.3.2 - 8.3.3, 8.3.5 - 8.3.6
Starting array_diff array_diff() took 0.011 seconds and returned 60000 entries
Output for 7.0.3, 7.0.18, 7.0.28, 7.0.31 - 7.0.32, 7.1.6, 7.1.8, 7.1.15, 7.1.26 - 7.1.27, 7.1.31, 7.2.3, 7.2.5, 8.2.6, 8.3.4
Starting array_diff array_diff() took 0.010 seconds and returned 60000 entries
Output for 7.0.2, 7.0.5, 7.0.7, 7.0.25, 7.1.10, 7.1.16, 7.1.20, 7.3.3, 7.3.6, 7.3.15 - 7.3.16, 7.3.18, 7.3.23 - 7.3.24, 7.3.28, 7.3.30 - 7.3.31, 7.3.33, 7.4.15, 8.0.2, 8.0.16, 8.1.1, 8.1.27, 8.2.18, 8.3.1
Starting array_diff array_diff() took 0.014 seconds and returned 60000 entries
Output for 7.0.0, 7.0.9, 7.0.13, 7.1.3, 7.1.19, 7.2.0, 7.2.4, 7.2.10, 7.4.0, 7.4.2, 7.4.4 - 7.4.5, 7.4.11, 7.4.14, 7.4.16, 7.4.24 - 7.4.26, 7.4.29 - 7.4.33, 8.0.6, 8.0.10, 8.0.23 - 8.0.24, 8.1.3, 8.1.11, 8.1.17, 8.1.19, 8.1.28, 8.2.12, 8.2.14, 8.3.0
Starting array_diff array_diff() took 0.012 seconds and returned 60000 entries
Output for 7.0.6, 7.0.8, 7.1.2, 7.1.17 - 7.1.18, 7.2.30, 7.2.32, 7.3.2, 7.3.5, 7.3.10, 7.3.20 - 7.3.21, 7.3.26, 7.4.1, 7.4.9, 7.4.19 - 7.4.20, 8.0.3, 8.0.22, 8.0.29, 8.1.14 - 8.1.15, 8.2.3, 8.2.11
Starting array_diff array_diff() took 0.016 seconds and returned 60000 entries
Output for 7.0.10 - 7.0.11, 7.1.1, 7.2.2, 7.2.7, 7.2.16 - 7.2.21, 7.2.23 - 7.2.24, 7.2.27 - 7.2.28, 7.2.31, 7.2.34, 7.3.0, 7.3.14, 7.3.17, 7.4.18, 7.4.23, 8.1.16, 8.1.25, 8.2.4
Starting array_diff array_diff() took 0.015 seconds and returned 60000 entries
Output for 7.0.1, 7.0.4, 7.0.12, 7.0.15 - 7.0.16, 7.0.22 - 7.0.23, 7.1.0, 7.1.4, 7.1.9, 7.1.11, 7.1.30, 7.1.33, 7.3.4, 7.3.7 - 7.3.8, 7.3.11 - 7.3.12, 7.3.19, 7.3.22, 7.3.27, 7.3.29, 7.3.32, 7.4.3, 7.4.6 - 7.4.7, 7.4.10, 7.4.13, 7.4.21 - 7.4.22, 8.0.0 - 8.0.1, 8.0.5, 8.0.7 - 8.0.9, 8.0.11 - 8.0.12, 8.0.14 - 8.0.15, 8.0.17 - 8.0.19, 8.0.25, 8.0.27, 8.1.0, 8.1.2, 8.1.4 - 8.1.6, 8.1.8 - 8.1.10, 8.1.12 - 8.1.13, 8.1.18, 8.1.20 - 8.1.22, 8.1.26, 8.2.0 - 8.2.2
Starting array_diff array_diff() took 0.013 seconds and returned 60000 entries
Output for 7.1.32, 7.2.15, 7.2.33, 7.3.13, 7.3.25, 7.4.12, 7.4.27 - 7.4.28, 8.0.13, 8.0.26, 8.0.28, 8.0.30, 8.1.23 - 8.1.24
Starting array_diff array_diff() took 0.017 seconds and returned 60000 entries
Output for 7.2.11 - 7.2.12, 7.3.1, 7.4.8, 8.0.21, 8.1.7
Starting array_diff array_diff() took 0.018 seconds and returned 60000 entries
Output for 7.2.22, 7.2.29, 8.0.20
Starting array_diff array_diff() took 0.019 seconds and returned 60000 entries
Output for 7.2.14, 7.3.9
Starting array_diff array_diff() took 0.023 seconds and returned 60000 entries
Output for 7.2.13, 7.2.26
Starting array_diff array_diff() took 0.022 seconds and returned 60000 entries
Output for 7.2.8, 7.2.25
Starting array_diff array_diff() took 0.020 seconds and returned 60000 entries
Output for 7.2.9
Starting array_diff array_diff() took 0.009 seconds and returned 60000 entries
Output for 5.6.40
Starting array_diff array_diff() took 0.167 seconds and returned 60000 entries
Output for 5.4.2, 5.4.19, 5.4.38, 5.6.26, 5.6.39
Starting array_diff array_diff() took 0.132 seconds and returned 60000 entries
Output for 5.6.5, 5.6.28, 5.6.38
Starting array_diff array_diff() took 0.125 seconds and returned 60000 entries
Output for 5.6.37
Starting array_diff array_diff() took 0.159 seconds and returned 60000 entries
Output for 5.4.4, 5.6.36
Starting array_diff array_diff() took 0.158 seconds and returned 60000 entries
Output for 5.6.35
Starting array_diff array_diff() took 0.135 seconds and returned 60000 entries
Output for 5.4.28, 5.4.31 - 5.4.32, 5.5.38, 5.6.3, 5.6.21, 5.6.34
Starting array_diff array_diff() took 0.116 seconds and returned 60000 entries
Output for 5.5.23, 5.6.14, 5.6.33
Starting array_diff array_diff() took 0.123 seconds and returned 60000 entries
Output for 5.5.9, 5.5.13, 5.6.8, 5.6.30, 5.6.32
Starting array_diff array_diff() took 0.115 seconds and returned 60000 entries
Output for 5.5.17, 5.6.25, 5.6.31
Starting array_diff array_diff() took 0.129 seconds and returned 60000 entries
Output for 5.4.35, 5.5.4, 5.5.12, 5.6.2, 5.6.23, 5.6.29
Starting array_diff array_diff() took 0.119 seconds and returned 60000 entries
Output for 5.4.45, 5.5.2, 5.6.7, 5.6.27
Starting array_diff array_diff() took 0.121 seconds and returned 60000 entries
Output for 5.6.19, 5.6.24
Starting array_diff array_diff() took 0.122 seconds and returned 60000 entries
Output for 5.4.41, 5.5.21, 5.6.22
Starting array_diff array_diff() took 0.150 seconds and returned 60000 entries
Output for 5.4.1, 5.5.0, 5.5.8, 5.5.35 - 5.5.36, 5.6.18, 5.6.20
Starting array_diff array_diff() took 0.118 seconds and returned 60000 entries
Output for 5.6.17
Starting array_diff array_diff() took 0.142 seconds and returned 60000 entries
Output for 5.4.44, 5.6.16
Starting array_diff array_diff() took 0.112 seconds and returned 60000 entries
Output for 5.4.42, 5.5.19 - 5.5.20, 5.6.13, 5.6.15
Starting array_diff array_diff() took 0.120 seconds and returned 60000 entries
Output for 5.5.6, 5.5.10, 5.5.16, 5.6.11 - 5.6.12
Starting array_diff array_diff() took 0.124 seconds and returned 60000 entries
Output for 5.4.36, 5.4.40, 5.5.1, 5.6.1, 5.6.10
Starting array_diff array_diff() took 0.114 seconds and returned 60000 entries
Output for 5.5.7, 5.6.9
Starting array_diff array_diff() took 0.136 seconds and returned 60000 entries
Output for 5.5.22, 5.6.6
Starting array_diff array_diff() took 0.128 seconds and returned 60000 entries
Output for 5.6.4
Starting array_diff array_diff() took 0.113 seconds and returned 60000 entries
Output for 5.4.37, 5.4.43, 5.5.5, 5.6.0
Starting array_diff array_diff() took 0.126 seconds and returned 60000 entries
Output for 5.4.30, 5.5.14, 5.5.37
Starting array_diff array_diff() took 0.134 seconds and returned 60000 entries
Output for 5.4.6, 5.4.21, 5.5.34
Starting array_diff array_diff() took 0.139 seconds and returned 60000 entries
Output for 5.4.5, 5.4.11, 5.4.17, 5.5.24, 5.5.33
Starting array_diff array_diff() took 0.153 seconds and returned 60000 entries
Output for 5.5.32
Starting array_diff array_diff() took 0.161 seconds and returned 60000 entries
Output for 5.5.31
Starting array_diff array_diff() took 0.184 seconds and returned 60000 entries
Output for 5.4.3, 5.5.30
Starting array_diff array_diff() took 0.160 seconds and returned 60000 entries
Output for 5.4.22, 5.5.29
Starting array_diff array_diff() took 0.137 seconds and returned 60000 entries
Output for 5.5.25, 5.5.28
Starting array_diff array_diff() took 0.155 seconds and returned 60000 entries
Output for 5.5.27
Starting array_diff array_diff() took 0.177 seconds and returned 60000 entries
Output for 5.4.18, 5.5.26
Starting array_diff array_diff() took 0.151 seconds and returned 60000 entries
Output for 5.4.0, 5.5.18
Starting array_diff array_diff() took 0.131 seconds and returned 60000 entries
Output for 5.4.39, 5.5.15
Starting array_diff array_diff() took 0.130 seconds and returned 60000 entries
Output for 5.4.33, 5.5.11
Starting array_diff array_diff() took 0.117 seconds and returned 60000 entries
Output for 5.5.3
Starting array_diff array_diff() took 0.148 seconds and returned 60000 entries
Output for 5.4.34
Starting array_diff array_diff() took 0.133 seconds and returned 60000 entries
Output for 5.4.29
Starting array_diff array_diff() took 0.127 seconds and returned 60000 entries
Output for 5.4.16, 5.4.27
Starting array_diff array_diff() took 0.145 seconds and returned 60000 entries
Output for 5.4.26
Starting array_diff array_diff() took 0.156 seconds and returned 60000 entries
Output for 5.4.25
Starting array_diff array_diff() took 0.140 seconds and returned 60000 entries
Output for 5.4.24
Starting array_diff array_diff() took 0.152 seconds and returned 60000 entries
Output for 5.4.23
Starting array_diff array_diff() took 0.182 seconds and returned 60000 entries
Output for 5.4.20
Starting array_diff array_diff() took 0.185 seconds and returned 60000 entries
Output for 5.4.15
Starting array_diff array_diff() took 0.143 seconds and returned 60000 entries
Output for 5.4.14
Starting array_diff array_diff() took 0.157 seconds and returned 60000 entries
Output for 5.4.13
Starting array_diff array_diff() took 0.162 seconds and returned 60000 entries
Output for 5.4.10, 5.4.12
Starting array_diff array_diff() took 0.154 seconds and returned 60000 entries
Output for 5.4.9
Starting array_diff array_diff() took 0.141 seconds and returned 60000 entries
Output for 5.4.8
Starting array_diff array_diff() took 0.149 seconds and returned 60000 entries
Output for 5.4.7
Starting array_diff array_diff() took 0.165 seconds and returned 60000 entries
Output for 5.3.29
Starting array_diff array_diff() took 0.199 seconds and returned 60000 entries
Output for 5.3.28
Starting array_diff array_diff() took 0.217 seconds and returned 60000 entries
Output for 5.3.27
Starting array_diff array_diff() took 0.227 seconds and returned 60000 entries
Output for 5.3.26
Starting array_diff array_diff() took 0.273 seconds and returned 60000 entries
Output for 5.3.25
Starting array_diff array_diff() took 0.223 seconds and returned 60000 entries
Output for 5.3.8, 5.3.24
Starting array_diff array_diff() took 0.237 seconds and returned 60000 entries
Output for 5.3.23
Starting array_diff array_diff() took 0.245 seconds and returned 60000 entries
Output for 5.3.6, 5.3.22
Starting array_diff array_diff() took 0.216 seconds and returned 60000 entries
Output for 5.3.21
Starting array_diff array_diff() took 0.256 seconds and returned 60000 entries
Output for 5.3.20
Starting array_diff array_diff() took 0.247 seconds and returned 60000 entries
Output for 5.3.19
Starting array_diff array_diff() took 0.266 seconds and returned 60000 entries
Output for 5.3.18
Starting array_diff array_diff() took 0.228 seconds and returned 60000 entries
Output for 5.3.5, 5.3.17
Starting array_diff array_diff() took 0.214 seconds and returned 60000 entries
Output for 5.3.16
Starting array_diff array_diff() took 0.231 seconds and returned 60000 entries
Output for 5.3.15
Starting array_diff array_diff() took 0.259 seconds and returned 60000 entries
Output for 5.3.14
Starting array_diff array_diff() took 0.220 seconds and returned 60000 entries
Output for 5.3.13
Starting array_diff array_diff() took 0.215 seconds and returned 60000 entries
Output for 5.3.9, 5.3.12
Starting array_diff array_diff() took 0.225 seconds and returned 60000 entries
Output for 5.3.11
Starting array_diff array_diff() took 0.207 seconds and returned 60000 entries
Output for 5.3.10
Starting array_diff array_diff() took 0.209 seconds and returned 60000 entries
Output for 5.3.7
Starting array_diff array_diff() took 0.234 seconds and returned 60000 entries
Output for 5.3.4
Starting array_diff array_diff() took 0.270 seconds and returned 60000 entries
Output for 5.3.0 - 5.3.3
Starting array_diff
Process exited with code 137.
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