Here are my now different nginx error logs...:
2023/11/15 10:37:04 [error] 1510#1510: *3520 FastCGI sent in stderr: "PHP message: PHP Parse error: syntax error, unexpected 'true' (T_STRING), expecting ',' or ')' in /usr/share/nginx/atom/index.php on line 5" while reading response header from upstream, client: 52.233.106.84, server: _, request: "GET /index.php/informationobject/browse?sf_culture=fr&sort=referenceCode&view=table&sortDir=desc&creators=433&subjects=152314&topLod=0 HTTP/1.1", upstream: "fastcgi://unix:/run/php7.2-fpm.atom.sock:", host: "atom.xx.xx.xx"
2023/11/15 10:37:04 [error] 1510#1510: *3531 FastCGI sent in stderr: "PHP message: PHP Parse error: syntax error, unexpected 'true' (T_STRING), expecting ',' or ')' in /usr/share/nginx/atom/index.php on line 5" while reading response header from upstream, client: 23.22.35.162, server: _, request: "GET /index.php/informationobject/browse?collection=601&creators=487&names=82004&onlyMedia=1&sf_culture=fr&sort=alphabetic&sortDir=asc&topLod=0 HTTP/1.1", upstream: "fastcgi://unix:/run/php7.2-fpm.atom.sock:", host: "atom.xx.xx.xx"
2023/11/15 10:37:04 [error] 1510#1510: *3520 FastCGI sent in stderr: "PHP message: PHP Parse error: syntax error, unexpected 'true' (T_STRING), expecting ',' or ')' in /usr/share/nginx/atom/index.php on line 5" while reading response header from upstream, client: 52.233.106.84, server: _, request: "GET /index.php/informationobject/browse?sortDir=desc&collection=151641&sort=lastUpdated&sf_culture=en&view=table&subjects=152314&mediatypes=136&topLod=0 HTTP/1.1", upstream: "fastcgi://unix:/run/php7.2-fpm.atom.sock:", host: "atom.xx.xx.xx"