3v4l.org

run code in 300+ PHP versions simultaneously
<?php set_time_limit ( 0 ); $i = 0; while ( true ) { if (crc32 ( base64_encode ( $i ) ) == 323322056) { echo base64_encode ( $i ); exit (); } $i ++; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0131.98916.50
8.3.50.0131.98917.26
8.3.40.0101.99218.77
8.3.30.0101.99218.63
8.3.20.0002.00118.65
8.3.10.0002.00220.35
8.3.00.0101.99419.13
8.2.180.0131.98816.50
8.2.170.0071.99822.96
8.2.160.0131.98920.91
8.2.150.0002.00224.18
8.2.140.0071.99624.66
8.2.130.0071.99726.16
8.2.120.0101.99220.71
8.2.110.0002.00120.39
8.2.100.0071.99517.72
8.2.90.0131.97919.32
8.2.80.0032.00321.13
8.2.70.0032.00417.63
8.2.60.0071.99417.80
8.2.50.0101.98018.07
8.2.40.0002.00318.09
8.2.30.0071.99318.13
8.2.20.0032.00417.76
8.2.10.0002.00117.68
8.2.00.0002.00417.67
8.1.280.0071.99725.92
8.1.270.0002.00224.66
8.1.260.0032.00026.35
8.1.250.0071.99428.09
8.1.240.0071.99522.34
8.1.230.0071.99621.04
8.1.220.0002.00617.74
8.1.210.0071.99518.91
8.1.200.0031.99717.36
8.1.190.0002.00317.51
8.1.180.0002.00218.10
8.1.170.0002.00318.78
8.1.160.0002.00218.98
8.1.150.0032.00218.61
8.1.140.0032.00117.50
8.1.130.0002.00317.95
8.1.120.0031.99917.43
8.1.110.0032.00017.56
8.1.100.0031.99917.40
8.1.90.0002.00217.52
8.1.80.0032.00517.55
8.1.70.0071.99517.52
8.1.60.0071.99617.67
8.1.50.0002.00317.41
8.1.40.0031.99917.63
8.1.30.0002.00217.68
8.1.20.0002.00317.54
8.1.10.0002.00417.57
8.1.00.0071.99617.32
8.0.300.0002.00619.74
8.0.290.0071.99516.58
8.0.280.0032.00118.27
8.0.270.0002.00217.08
8.0.260.0031.99516.63
8.0.250.0031.99816.77
8.0.240.0031.99816.77
8.0.230.0031.99816.81
8.0.220.0031.99816.83
8.0.210.0031.99916.68
8.0.200.0032.00016.73
8.0.190.0002.00216.81
8.0.180.0031.99816.87
8.0.170.0002.00316.90
8.0.160.0031.99816.84
8.0.150.0071.99716.73
8.0.140.0131.98716.75
8.0.130.0131.98813.32
8.0.120.0002.00216.79
8.0.110.0002.00116.71
8.0.100.0002.00316.67
8.0.90.0071.99516.68
8.0.80.0161.99116.85
8.0.70.0031.99716.84
8.0.60.0002.00116.88
8.0.50.0032.00016.84
8.0.30.0211.98316.92
8.0.20.0111.99017.00
8.0.10.0031.99916.99
8.0.00.0261.97616.73
7.4.330.0031.99913.02
7.4.320.0031.99916.39
7.4.300.0031.99816.53
7.4.290.0002.00216.44
7.4.280.0031.99816.49
7.4.270.0002.00216.27
7.4.260.0002.00113.30
7.4.250.0071.99516.45
7.4.240.0071.99416.51
7.4.230.0031.99916.50
7.4.220.0121.99916.49
7.4.210.0191.98116.43
7.4.200.0032.00016.28
7.4.190.0071.99616.27
7.4.160.0171.98116.45
7.4.150.0201.98616.60
7.4.140.0112.00416.33
7.4.130.0082.00216.38
7.4.120.0211.97216.31
7.4.110.0102.46316.32
7.4.100.0162.44516.61
7.4.90.0162.42516.36
7.4.80.0192.43219.39
7.4.70.0452.25516.33
7.4.60.0132.46116.59
7.4.50.0032.49216.29
7.4.40.0132.48416.23
7.4.30.0202.42516.36
7.4.00.0132.47714.59
7.3.330.0002.00213.00
7.3.320.0071.98713.03
7.3.310.0031.99916.07
7.3.300.0002.00216.14
7.3.290.0131.98716.09
7.3.280.0141.98516.12
7.3.270.0161.98316.31
7.3.260.0191.98016.18
7.3.250.0161.98016.42
7.3.240.0151.96816.39
7.3.230.0202.42616.37
7.3.210.0102.43216.49
7.3.200.0162.41816.22
7.3.190.0162.44116.30
7.3.180.0102.47016.14
7.3.170.1201.39116.46
7.3.160.0162.45416.08
7.3.120.0072.49114.83
7.2.330.0032.40816.19
7.2.320.0192.43616.52
7.2.310.0132.37316.61
7.2.300.0232.33716.48
7.2.290.0132.47516.54
7.2.60.0072.48416.39
7.2.00.0032.49819.20
7.1.200.0002.49715.86
7.1.100.0032.49818.05
7.1.70.0032.49717.07
7.1.60.0032.49819.40
7.1.50.0032.49816.86
7.1.00.0002.50022.18
7.0.200.0032.49816.93
7.0.140.0032.49722.04
7.0.120.0002.50022.01
7.0.100.0032.46019.93
7.0.90.0002.46319.91
7.0.80.0272.41019.88
7.0.70.0102.46719.85
7.0.60.0102.46019.89
7.0.50.0132.48720.26
7.0.40.0032.47720.05
7.0.30.0002.50020.10
7.0.20.0102.49020.13
7.0.10.0072.49320.11
7.0.00.0132.48720.14
5.6.280.0002.50020.89
5.6.250.0102.49020.75
5.6.240.0102.47320.60
5.6.230.0032.48020.71
5.6.220.0172.45020.64
5.6.210.0072.46720.62
5.6.200.0072.43721.17
5.6.190.0002.46021.10
5.6.180.0102.49021.00
5.6.170.0132.48720.95
5.6.160.0172.48321.11
5.6.150.0002.50020.93
5.6.140.0032.49721.03
5.6.130.0132.48720.95
5.6.120.0102.49021.01
5.6.110.0072.49320.95
5.6.100.0032.49721.00
5.6.90.0032.49720.99
5.6.80.0032.49720.46
5.6.70.0032.49720.39
5.6.60.0072.49320.45
5.6.50.0002.50020.51
5.6.40.0102.49020.46
5.6.30.0132.48720.39
5.6.20.0032.49720.30
5.6.10.0002.50020.24
5.6.00.0072.49320.38
5.5.380.0102.48720.56
5.5.370.0102.42720.54
5.5.360.0202.45720.55
5.5.350.0132.33020.45
5.5.340.0202.14020.95
5.5.330.0202.03020.68
5.5.320.0072.10720.93
5.5.310.0201.88320.88
5.5.300.0202.01320.77
5.5.290.0072.47720.97
5.5.280.0272.42020.96
5.5.270.0132.44020.92
5.5.260.0102.11020.76
5.5.250.0072.00320.71
5.5.240.0102.15020.23
5.5.230.0202.43720.32
5.5.220.0202.44720.30
5.5.210.0232.42320.29
5.5.200.0202.11320.13
5.5.190.0172.02720.29
5.5.180.0171.98020.11
5.5.160.0331.97720.27
5.5.150.0072.47020.18
5.4.450.0102.29719.38
5.4.440.0332.40719.14
5.4.430.0172.44319.17
5.4.420.0202.20719.32
5.4.410.0201.98019.15
5.4.400.0202.42019.04
5.4.390.0272.42718.95
5.4.380.0132.45319.05
5.4.370.0172.41019.05
5.4.360.0202.38318.99
5.4.350.0131.97019.05
5.4.340.0171.84319.04
5.4.320.0172.11319.05
5.4.310.0272.43018.95
5.4.120.0102.43316.42
5.4.110.0032.48716.33
5.4.100.0102.46716.25
5.4.90.0172.43316.21
5.4.80.0202.41316.32
5.4.70.0132.45016.25
5.4.60.0072.44016.27
5.4.50.0072.45716.17
5.4.40.0302.44016.15
5.4.30.0072.43316.30
5.4.20.0232.39316.30
5.3.290.0132.47714.29
5.3.230.0202.44014.38
5.3.220.0372.42714.31
5.3.210.0132.44314.31
5.3.200.0172.43314.33
5.3.190.0172.45314.33
5.3.180.0172.44714.29
5.3.170.0032.45314.30
5.3.160.0072.45714.32
5.3.150.0172.43014.30
5.3.140.0332.43314.29
5.3.130.0272.41014.28
5.3.120.0202.40014.25
5.3.80.0102.09713.50
5.3.70.0032.03013.63
5.3.60.0101.92013.54
5.3.50.0132.01313.46
5.3.40.0172.45313.54
5.3.30.0172.43313.44
5.3.20.0202.46013.31
5.3.10.0172.46313.19
5.3.00.0202.43313.17
5.2.170.0102.20710.82
5.2.160.0032.20710.71
5.2.150.0202.45710.65
5.2.140.0232.45710.66
5.2.130.0002.48010.71
5.2.120.0202.46710.63
5.2.110.0172.43710.69
5.2.100.0172.47310.78
5.2.90.0032.48710.70
5.2.80.0202.46710.66
5.2.70.0102.47310.71
5.2.60.0132.46310.66
5.2.50.0032.48010.55
5.2.40.0072.46010.53
5.2.30.0032.46710.58
5.2.20.0242.25010.81
5.2.10.0202.33610.73
5.2.00.0172.38410.73
5.1.60.0222.2069.98
5.1.50.0512.0459.94
5.1.40.0152.37310.08
5.1.30.0172.31310.35
5.1.20.0192.35910.02
5.1.10.0212.40010.05
5.1.00.0132.4139.97
5.0.50.0102.4288.44
5.0.40.0162.3988.51
5.0.30.0282.4108.33
5.0.20.0172.3328.19
5.0.10.0172.3607.96
5.0.00.0202.3618.16
4.4.90.0132.3007.80
4.4.80.0132.3927.80
4.4.70.0152.2667.80
4.4.60.0132.3637.80
4.4.50.0122.4037.80
4.4.40.0211.9617.80
4.4.30.0102.2257.80
4.4.20.0192.3467.80
4.4.10.0102.4377.80
4.4.00.0112.4067.80
4.3.110.0172.4057.80
4.3.100.0112.3967.80
4.3.90.0162.3497.80
4.3.80.0122.3337.80
4.3.70.0112.4227.80
4.3.60.0082.4017.80
4.3.50.0092.4377.80
4.3.40.0122.4047.80
4.3.30.0132.3527.80
4.3.20.0152.2527.80
4.3.10.0202.2477.80
4.3.00.0000.0234.38

preferences:
45.83 ms | 401 KiB | 5 Q