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53 lines
1006 B
PHP
53 lines
1006 B
PHP
--TEST--
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Concatenating many small strings should not slowdown allocations
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--SKIPIF--
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<?php if (PHP_DEBUG) { die ("skip debug version is slow"); } ?>
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--INI--
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memory_limit=256m
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--FILE--
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<?php
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/* To note is that memory usage can vary depending on whether opcache is on. The actual
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measuring that matters is timing here. */
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$time = microtime(TRUE);
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/* This might vary on Linux/Windows, so the worst case and also count in slow machines. */
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$t0_max = 0.1;
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$t1_max = 0.4;
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$datas = [];
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for ($i = 0; $i < 220000; $i++)
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{
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$datas[] = [
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'000.000.000.000',
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'000.255.255.255',
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'保留地址',
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'保留地址',
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'保留地址',
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'保留地址',
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'保留地址',
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'保留地址',
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];
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}
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$t0 = microtime(TRUE) - $time;
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var_dump($t0 < $t0_max);
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$texts = '';
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foreach ($datas AS $data)
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{
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$texts .= implode("\t", $data) . "\r\n";
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}
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$t1 = microtime(TRUE) - $time;
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var_dump($t1 < $t1_max);
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?>
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+++DONE+++
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--EXPECT--
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bool(true)
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bool(true)
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+++DONE+++
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