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I just used the file from Here to upgrade my Wamp Server to PHP 7.2.9. After I install and enable PHP 7.2.9, I look at php_error.log and I see Apache variable "${INSTALL_DIR}" is not defined.

How do I fix this problem? I am using Apache 2.4.9 and MySQL 5.6.17

Bijan
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1 Answers1

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Just declare 'INSTALL_DIR' inside wamp\bin\apache\apache[ your version ]\conf\httpd.conf

Define INSTALL_DIR c:/wamp [ or your wamp path ]

Alias Nemo
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