undefined symbol: zend_atol

When your site return the error as below ( mostly WordPress site unable to load the wp-admin)

/usr/bin/php: symbol lookup error: /usr/local/lib/php/extensions/no-debug-non-zts-20060613/suhosin.so: undefined symbol: zend_atol, referer: url

Please disable the suhosin of the php and check if it able to load. If yes, this problem due the php update or wordpress update.

How to disable the suhosin?

Just comment the link as below in php.ini


Of course you are running in suphp server, you can create your custom php.ini and disable it

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