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round (PHP 3, PHP 4, PHP 5) round -- 癸疊翴计秈︽彼き 弧float round ( float val [, int precision] )
盢 val 沮﹚弘
precision秈计翴计计ヘ秈︽彼き挡狦precision
琌璽计┪箂箇砞
ㄒ 1. round() ㄒ
<?php echo round(3.4); // 3 echo round(3.5); // 4 echo round(3.6); // 4 echo round(3.6, 0); // 4 echo round(1.95583, 2); // 1.96 echo round(1241757, -3); // 1242000 echo round(5.045, 2); // 5.05 echo round(5.055, 2); // 5.06 ?>
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猔:
PHP 箇砞ぃタ絋矪瞶摸 "12,300.2"
﹃ǎ﹃锣传计
猔:
precision 把计琌
PHP 4 い砆ま
把ǎ ceil()floor()
㎝ number_format()
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