3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6
Array ( [0] => cover.xhtml [1] => title.xhtml [2] => copyright.xhtml [3] => dedication.xhtml [4] => toc_brief.xhtml [5] => toc.xhtml [6] => ch02_1.xhtml [7] => ch02_2.xhtml [8] => ch02_3.xhtml [9] => ch02_4.xhtml [10] => ch02_5.xhtml [11] => ch02_6.xhtml [12] => ch02_7.xhtml [13] => ch02_8.xhtml [14] => ch02_9.xhtml [15] => ch02_10.xhtml [16] => ch02_2#454.xhtml [17] => ch02_11.xhtml [18] => ch02_12.xhtml )
preferences:
179.1 ms | 413 KiB | 5 Q