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18 lines
291 B
PHP
18 lines
291 B
PHP
--TEST--
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GH-16408: Array to string conversion warning emitted in optimizer
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--FILE--
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<?php
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$counter = 0;
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ob_start(function ($buffer) use (&$c, &$counter) {
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$c = 0;
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++$counter;
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return '';
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}, 1);
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$c .= [];
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$c .= [];
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ob_end_clean();
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echo $counter . "\n";
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?>
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--EXPECT--
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3
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