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https://github.com/codeguy/php-the-right-way.git
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@@ -20,15 +20,12 @@ var_dump($a == '5'); // compare value (ignore type); return true
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var_dump($a === 5); // compare type/value (integer vs. integer); return true
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var_dump($a === 5); // compare type/value (integer vs. integer); return true
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var_dump($a === '5'); // compare type/value (integer vs. string); return false
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var_dump($a === '5'); // compare type/value (integer vs. string); return false
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/**
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//Equality comparisons
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* Strict comparisons
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*/
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if (strpos('testing', 'test')) { // 'test' is found at position 0, which is interpreted as the boolean 'false'
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if (strpos('testing', 'test')) { // 'test' is found at position 0, which is interpreted as the boolean 'false'
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// code...
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// code...
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}
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}
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// vs.
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// vs. strict comparisons
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if (strpos('testing', 'test') !== false) { // true, as strict comparison was made (0 !== false)
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if (strpos('testing', 'test') !== false) { // true, as strict comparison was made (0 !== false)
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// code...
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// code...
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}
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}
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