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29 lines
721 B
PHP
29 lines
721 B
PHP
<?php
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function array_not_unique($my_array) {
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$same = array();
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natcasesort($my_array);
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reset ($my_array);
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$old_key = NULL;
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$old_value = NULL;
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foreach ($my_array as $key => $value) {
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if ($value === NULL) { continue; }
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if ($old_value == $value) {
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$same[$old_key] = $old_value;
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$same[$key] = $value;
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}
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$old_value = $value;
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$old_key = $key;
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}
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return $same;
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}
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$test_array = array();
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$test_array[1] = 'xyz@example.com';
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$test_array[2] = 'dse@example.com';
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$test_array[3] = 'xyz@example.com';
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$test_array[4] = 'mno@example.com';
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print_r(array_not_unique($test_array));
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?>
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