ptarjan
24 linhas
361 B
PHP
24 linhas
361 B
PHP
<?php
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function plus0($x) {
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return $x + 0;
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}
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function minus0($x) {
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return $x - 0;
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}
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var_dump(plus0(false));
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var_dump(plus0(null));
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var_dump(plus0(1));
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var_dump(plus0(1.5));
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var_dump(plus0(""));
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var_dump(plus0("1"));
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var_dump(minus0(false));
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var_dump(minus0(null));
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var_dump(minus0(1));
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var_dump(minus0(1.5));
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var_dump(minus0(""));
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var_dump(minus0("1"));
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