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PHP升级到8.0后,报Fatal error: Uncaught Error: Call to undefined function create_...
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PHP升级到8.0后,报Fatal error: Uncaught Error: Call to undefined function create_function()解决方案.
PHP升级到8.0后,报Fatal error: Uncaught Error: Call to undefined function create_function()解决方案.
因为php8.0 已经把create_function移除了.所以有2种解决 方法 .
一.是把create_function改为匿名函数.如下所示
<?php
$newfunc = create_function('$a,$b', 'return "ln($a) + ln($b) = " . log($a * $b);');
echo $newfunc(2, M_E) . "\n";
?>
<?php
$newfunc = create_function('$a,$b', 'return "ln($a) + ln($b) = " . log($a * $b);');
echo $newfunc(2, M_E) . "\n";
?>
<?php
$newfunc = function($a,$b) { return "ln($a) + ln($b) = " . log($a * $b); };
echo $newfunc(2, M_E) . "\n";
?>
<?php
$newfunc = function($a,$b) { return "ln($a) + ln($b) = " . log($a * $b); };
echo $newfunc(2, M_E) . "\n";
?>
二.是使用polyfill.
地址 https://github.com/php5friends/polyfill-create_function
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