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PHP格式化输出打印变量

Jun 06, 2016 pm 08:09 PM
phpvariablePrintformatuseenteroutput

PHP 常用的输入变量函数print_r,但是输出没有换行,看起来很费力 我们可以自定义一个函数来实现变量的格式化输出,代码如下: function dump($vars, $label = '', $return = false) {if (ini_get('html_errors')) {$content = "\n";if ($label != '') {$con

PHP常用的输入变量函数print_r,但是输出没有换行,看起来很费力

我们可以自定义一个函数来实现变量的格式化输出,代码如下:

function dump($vars, $label = '', $return = false) {
if (ini_get('html_errors')) {
$content = "\n";
if ($label != '') {
$content .= "{$label} :\n";
}
$content .= htmlspecialchars(print_r($vars, true));
$content .= "\n\n";
} else {
$content = $label . " :\n" . print_r($vars, true);
}
if ($return) { return $content; }
echo $content;
return null;
}

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