3v4l.org

run code in 300+ PHP versions simultaneously
<?php mt_srand(42); for ($i = 0; $i < 20; $i++) { echo generateKey() . "\n"; } function generateKey() { return base64_urlencode(randBuffer(48)); } function base64_urlencode($buf) { return str_replace(array('+', '/', '='), array('-', '_', ''), base64_encode($buf)); } function randBuffer($n) { //try { // $buf = openssl_random_pseudo_bytes($n); //} catch (Exception $e) { $buf = ""; for ($i = 0; $i < $n; $i++) { $buf .= chr(mt_rand(0, 255)); } //} return $buf; }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
ZrNcDmpHvBRmedLWSspXdGNnl4KVNAFX650lgb-7FKDLORX861gw2jr-qf_bu88O vb2uvTJrNvM_-ILkMoYUSKYRg1g7DfH5CFk0gVNbbrvGq_wHriLNUKMxZ4MB_YU1 aQM13L6R2Suhyb3jDV4vDsfN1vv4vSfUz-xRbjQXmdj7u3vsKJwOLEBYRghXgOuH 1z6K8lCHoqIgegTp5vkoG4bIRwuhIC_2lj3XJGKrZ9XaIsDiZK7NggAE2fb-jWYa iM4OWSl7zLI-X-bwM_xfg93klubsjqocIwyfRrryVRtBqSw9uPSFGxtrK1MdvUp_ -fZb2Oa94IB4Gr14c8zoAmbFx5qIPaTgMumrl846dZ9f1-izcD3wuTML_SaBgnBk cLdQunABgds1VuTf4ICSfYE0q9mfxZ_2Q7bKt3qQ_iUXRHNhxdWK_u-PYMh7ukXP XAKT-7qjklnC_pKTX8Yz6KCnfyZRZ4AK27jYsZae3SliBvuPWW_48ztwAYAv_YvE JJ_69gjoYpIvz4KTlzV3oJdzSnDHo6VnU_3ib_3YYphckX9tUcE1os-8qOOgQyCN FC-T93-HhsKQfyCvy7py1XYV7Z0l5WwytQcaGuEUHWAbbr_gxPs8L5IDIr8w_xCr 253cLXQFYnvoJBdc8C20XmK74HO-_NSf1qD_Qn8RGOneNTlCZ60XcR-uVZbBfprp gdkQZ6CIKvWvJtyp9hliMZiXDDv5hjgjrBNAB__tj43LctaOW2FBH9a-VTKYuT69 fJU5OVUws6lFDjXqu2TgBzQ762sEZsMFbN9zXS5iNqczjwxxe2mdkpB3PhJbObZZ 5Nl0PRZ-iIv0gDl5AO4hX311L1jn7HSAD7zmv75EFVz2wkuZj7LkVbgczdtELvBd 7b3zxMuP2dmvVCZjIP3dZBb5CfVEYyGz3on5krlfAPdE7AMPF0_2AfDbf5_aU5eL saJ7IKC8sqpkC0JAoKdJKiscjAteLYH88vEi1lBZB1yZyVn9oXJohsM59HHsSpx3 o9gU_PijiWTIl7_isGLvI9Hw5l-Xlr3fJAtwtgwW2GJoHRBwPVNv2FWMuhKwY4u8 6JJLCMYbzd5_M1L5bo90RGKLGLN61OM0lo84Jmy0Kbmmjd55hKLW3OpKke5LCEm5 65D85QatjKepiLEaecEEHKSlUofvbEBV85D-RtgsgyNF-54SvGu1plrJWRImfcKs jPHbfTmT28c8fmimAILMW734vvtwmDegpXSFOSusn6w8LpRPddTK--Sj4pITuJEu
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
ocvz0EU5Z2YnctnnDosjq5kkS6YF8Pi4K_A2_i4ALmBNYoYBbgVKhmJmI_W0B6PF dOk3njNhfftpdwvcm1Arje798g8JkDCcs_oZO1E9cK7hnIAr9iwWZEIuVz9Pkns1 dW_R9vjXOI3wmxvtmUTrrRaSzHsLCFMmY0FFdCpoWwlHZXS4JLXNKu0E_GzFZcxL Af0uMrS2RMrFZeztpVjj6tzZYY1U5u5eT1WtqrppXUbjj4ac4AZI2TxGccI7v4D0 hbWTHAZw5c0IG6KHUG58shYjP5ppisHNOvETmbSx1-HuYc5LouUhdM3J0ZQaHHRT MB_lW1EWHEXEW5P-0aQisP_UfIiUgjhP4ERWPg_VrMZ6cLOZo-4Gvwg_QEx_SLPb tv8JRGL6fmnz9kem6KLDUCWHfYz8jcOXrOo8oDw9ujOgeKH7XJh30RfMKyasgi-y 9Ntpra3G-kiDzzlZpeYs8E6bY3rv1iOsV7zjyxJ0HkxCOqjSL_twhIdCPf_pCeWO 5h9cMKi5p7NHJhvb45k5HaQnFe_XNxirm2r8XxkOqfn_tilOcoKxcqYAx9O2BDx- U9NBXaZA2bioTm-K6YJeXENAPmn5BJqC5OehbzWnfqVtVYAjMTq4f7mS-MRb9S0A DngKRxTioEEDDe2qbY33bPb62hNLsJzO2URRfNVfjmURJrIQbxLmNWNV_aXdv4S1 4FK92bIiTbWijbVLMZXPQd2c6RSCAYBezM9Y7E2bNfIdHFYHYGoYcJSsCVR32YoF tyiXIvm-CffSs6KJ3q170zu7yQlhi-vX8892l3SzXSNHIfkGerZS9DVmu5Bwvup_ QtE3ka3oNwpoz6mu6Qo7h3In8i5oq7lisHp9Ekwro_6qSD-QW9Y830dX3JJwnXH1 G4Hw0nnFXQI5MIemEzKu3R1IXHfm3Y452rmg0TqA20vsbqzmqDAe8QYfEBjPtteS GBffZHXwDmjOJSbSyeLYcDKHaozY2juz2dpvLWnjbibn1X4T7_hIQVpPTFmhLloK fRGJCUizl5L_6nSshsDT3qF_Q9CWWFSP5EYprv_GezzkX2IN-vqXXCrJYJwYiHlP GeetWlE1iBfMP1PEYG7IKA-aVI2syP-2NMjKIq3RxPnPRLNKTvjc8B203IyeTsLW oaajKOuTszgtHpYai2HVxyqB_GqeZmFklMLNk3ktPqeedJA_OF_1Mel7Fqoj6vsE _KYMKA6930FaE-KBBG_RPPaYX3qIrx_DOVBziTyBgzTK6Nuxeez-FdMEc0w5qYXU
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
pT9j5dLHr9rS80G6KYaoCPC8Blupd8YQkwDXt5whYMUZHDvl4IfFGfG6_ODnIH43 fvmy3G8koj-d9D08jSB3SBnXjDN4i-_1KeY_ElkD81-ke0X8yPxJiBFtf7i6fLJh u-bxDhV7UxM1FLGMVk8Oou-9JFkYrA5yP1ERLBpuMZuv5DxXNUJygGYhMa9Bmdoi G-4s_VAgEXmQLGlKPY8BMrnU2ac7XsnoMIi7kr7u73tOH4y7jGAUXZEW8uhvnyXl K7mTqwOvclHewgEnx7ICtJnodNxXKt63gxgrfhemVYqhuEt2d_iiubbwUlCCo6_7 knpHUM4p258Ff4WnpsL4csxnygcGk_3PQ-275mtOiOBQpDOi7SnwGcib-RpLXDNt g8PYH6TUaYCrjgUFvJxidj1X4BCdKNKlTc95aWKDr_WGgCyx9mBiGK5ZW62ubfZG resj26vvEdH1UUozsacxwZfg_Plajm2LAKAGfp08klNWOduKgTdpmWQsFPwQvgQb XlPnMOPCvgUg9zjbVQ5cvvdVZwk_c0F2YI8pr4igWtj6zNN_hxRW5P5i-i3gpK7t 8L31bBo4irVrXDvS47UY1s-buNEVS4YH8-XKUAtwCR_jJxp4eOyrQ_jwPyC39nsc 5i8MzC9_s-EImlJ6i3_DpQLJG1vo2yyKHmS5ghKvcoQWUsEIIX3AsN0akyUPIxKa uom6A7ON_msBy7bpqdSmR42he62X_tAuJ3dKklO3qJ2c8hd1LJyLVf1wUYcPQKoU cGo4TAPI8zeHdkS21ZWsHo5fg7wRAAx6Ln20LSTTx1Yu4EVDsKVE1uiImB_v3PLu f8fDe9EQKUnaO9vYmiCfxCDd5tWBJCv3Ad19Te4B6XWoajlhpDO6DPfXK9PSTzdA oSQCZBcTIrhPQorPmavI1iqPxNQH5YZApysoLbNrJ1Ors4_2Hq9KYi-3BROyPtkx i9PnlIKtVzHZcfIIfKnQfXtbMw3OJ4Sl3WeG5pyy6HKmCdX2fBKEBs1LphnvSCKb dkPJOB9_PTkpqCfpzxxiyRmFbngDkkglSTLhKH7YnBOuGQEOr0m_D-_t1iRjZf6K y7ZwzvmEfrmVzhyEbguAnfCYl43z04sSodtNTwTPincBYhfkUl8AKhupyUx6JR5e k9U33UYVd5s9wT8LOoMZcwPzhSbIrlA-SNCE3WnrA6qa6TrZGk3Z2xgc4llcuyaT 2OoYkXSMKDC3_lrmaKL8Nw0xBR4mXNOW-LGwL_8ovKxucftbgZoTg7TlyNoVPJdw

preferences:
157.4 ms | 405 KiB | 206 Q