ptarjan
34 linhas
599 B
PHP
34 linhas
599 B
PHP
<?php
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function funk($alice, $bob) {
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echo "Args: $alice $bob\n";
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debug_print_backtrace();
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}
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function main() {
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$use_by_val = 123;
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$use_by_ref = 1000;
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$c = function($arg, $dv = 500) use ($use_by_val, &$use_by_ref) {
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$use_by_val *= 2;
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$use_by_ref *= 2;
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echo "Use: $use_by_val $use_by_ref\n";
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funk($arg, $dv);
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};
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if (!($c instanceof Closure)) {
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echo "Closure isn't instanceof closure!\n";
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}
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if (!is_callable($c)) {
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echo "Closure isn't callable!\n";
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}
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$c(777);
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call_user_func($c, 888);
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var_dump($c);
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var_dump($use_by_val, $use_by_ref);
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}
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main();
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