3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($j=0;$j<256;$j++){ for($i=0;$i<256;$i++){ $f=chr($i).chr($j).'stdClass'; if(class_exists($f)){ echo "$i\t$j\t$f\n"; } }} ?>

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)
8.3.60.0130.01916.50
8.3.50.0170.03117.13
8.3.40.0130.01318.54
8.3.30.0100.01718.64
8.3.20.0040.01118.53
8.3.10.0090.00618.70
8.3.00.0030.01219.13
8.2.180.0130.02316.38
8.2.170.0130.01922.96
8.2.160.0060.01918.61
8.2.150.0080.00824.18
8.2.140.0030.01024.66
8.2.130.0080.00526.16
8.2.120.0030.01419.29
8.2.110.0070.01422.21
8.2.100.0030.01617.59
8.2.90.0000.01817.84
8.2.80.0070.01017.97
8.2.70.0000.01817.25
8.2.60.0030.01517.80
8.2.50.0030.01518.07
8.2.40.0000.01818.03
8.2.30.0030.01517.97
8.2.20.0000.01817.59
8.2.10.0030.01417.73
8.2.00.0030.01317.61
8.1.280.0030.02125.92
8.1.270.0030.01023.99
8.1.260.0070.00726.35
8.1.250.0000.01328.09
8.1.240.0070.01120.70
8.1.230.0040.01820.94
8.1.220.0030.01517.74
8.1.210.0000.01819.03
8.1.200.0040.02217.22
8.1.190.0040.01517.53
8.1.180.0000.01818.10
8.1.170.0090.00918.79
8.1.160.0070.01018.93
8.1.150.0000.01718.61
8.1.140.0030.01317.44
8.1.130.0000.01617.68
8.1.120.0030.01317.41
8.1.110.0000.01717.36
8.1.100.0030.01317.31
8.1.90.0070.01117.45
8.1.80.0000.01717.37
8.1.70.0030.01317.40
8.1.60.0030.01517.45
8.1.50.0030.01617.44
8.1.40.0040.01417.49
8.1.30.0070.01317.58
8.1.20.0030.01617.70
8.1.10.0040.01417.42
8.1.00.0030.01617.36
8.0.300.0060.01219.94
8.0.290.0030.01416.63
8.0.280.0030.01318.43
8.0.270.0000.01617.20
8.0.260.0000.01616.73
8.0.250.0030.01316.82
8.0.240.0030.01316.93
8.0.230.0070.01016.82
8.0.220.0000.01716.78
8.0.210.0030.01316.94
8.0.200.0000.01616.98
8.0.190.0000.01716.89
8.0.180.0000.01816.93
8.0.170.0030.02116.75
8.0.160.0030.01716.77
8.0.150.0070.01416.82
8.0.140.0000.02016.78
8.0.130.0030.01413.29
8.0.120.0030.01616.72
8.0.110.0080.00816.89
8.0.100.0030.01516.71
8.0.90.0070.01116.86
8.0.80.0100.03416.94
8.0.70.0060.01216.84
8.0.60.0060.01116.80
8.0.50.0000.01716.92
8.0.30.0030.02817.16
8.0.20.0110.02216.94
8.0.10.0000.01716.97
8.0.00.0130.03416.77
7.4.330.0040.01213.01
7.4.320.0030.01116.60
7.4.300.0030.01216.61
7.4.290.0000.01616.59
7.4.280.0080.01516.44
7.4.270.0040.01416.58
7.4.260.0030.01213.22
7.4.250.0000.01716.38
7.4.240.0030.01316.34
7.4.230.0000.01616.48
7.4.220.0170.03316.43
7.4.210.0130.02616.63
7.4.200.0060.01216.60
7.4.190.0000.01716.61
7.4.160.0060.02416.29
7.4.150.0070.02416.42
7.4.140.0060.02416.45
7.4.130.0070.02416.59
7.4.120.0170.01316.47
7.4.110.0070.02416.49
7.4.100.0130.01916.40
7.4.90.0100.03616.41
7.4.80.0070.03616.43
7.4.70.0030.02716.39
7.4.60.0160.01316.48
7.4.50.0060.01616.59
7.4.40.0030.02316.56
7.4.30.0090.03316.47
7.4.00.0060.02515.10
7.3.330.0040.01213.23
7.3.320.0000.01513.01
7.3.310.0030.01416.09
7.3.300.0030.01316.29
7.3.290.0090.02316.27
7.3.280.0060.03716.24
7.3.270.0130.03316.43
7.3.260.0130.02016.36
7.3.250.0110.02516.57
7.3.240.0070.02416.37
7.3.230.0090.03516.41
7.3.210.0070.02516.55
7.3.200.0130.03116.35
7.3.190.0090.03416.22
7.3.180.0040.02416.43
7.3.170.0030.02716.29
7.3.160.0060.02316.26
7.3.120.0030.03014.77
7.2.330.0060.02516.77
7.2.320.0160.02616.55
7.2.310.0030.04416.79
7.2.300.0100.03416.28
7.2.290.0060.02516.67
7.2.60.0070.01516.89
7.2.00.0000.02219.43
7.1.200.0000.02115.73
7.1.100.0300.02418.29
7.1.70.0000.01716.93
7.1.60.0100.03019.30
7.1.50.0070.02716.96
7.1.00.0000.04722.42
7.0.200.0070.01416.80
7.0.140.0030.09322.16
7.0.120.0070.09022.01
7.0.60.0130.09319.81
7.0.50.0030.05017.88
7.0.40.0070.06020.20
7.0.30.0370.08320.21
7.0.20.0170.05720.12
7.0.10.0100.06320.04
7.0.00.0070.10320.01
5.6.280.0030.13720.98
5.6.210.0030.13020.72
5.6.200.0000.08018.11
5.6.190.0070.09020.60
5.6.180.0370.09720.32
5.6.170.0270.06320.51
5.6.160.0070.08320.44
5.6.150.0000.08318.18
5.6.140.0030.09318.11
5.6.130.0000.08318.21
5.6.120.0100.10320.89
5.6.110.0030.11321.13
5.6.100.0030.09721.08
5.6.90.0030.14720.99
5.6.80.0070.12020.49
5.5.350.0170.13020.40
5.5.340.0070.13717.98
5.5.330.0070.12320.43
5.5.320.0100.12020.34
5.5.310.0100.09320.41
5.5.300.0030.13317.98
5.5.290.0070.10717.96
5.5.280.0030.07720.87
5.5.270.0030.07720.95
5.5.260.0070.13320.86
5.5.250.0030.15020.79
5.5.240.0200.11020.25
5.4.450.4100.08319.43
5.4.440.4070.07319.57
5.4.430.3470.08319.42
5.4.420.3270.07019.57
5.4.410.3600.07719.36
5.4.400.3970.07319.25
5.4.390.3300.07319.09
5.4.380.3330.07319.16
5.4.370.3600.07719.20
5.4.360.3670.09318.79
5.4.350.3330.07019.16
5.4.340.3300.07319.25
5.4.320.3300.07319.10
5.4.310.3330.07019.06
5.4.300.3830.07019.09
5.4.290.3600.07719.26
5.4.280.3970.07319.21
5.4.270.4070.07019.08
5.4.260.3370.07019.15
5.4.250.3570.07319.24
5.4.240.3400.08718.93
5.4.230.3670.06319.23
5.4.220.3370.06319.23
5.4.210.3530.07719.14
5.4.200.3500.07319.12
5.4.190.4330.07019.07
5.4.180.4300.07719.24
5.4.170.4270.07018.91
5.4.160.3530.07319.11
5.4.150.3530.06718.78
5.4.140.3630.07016.26
5.4.130.3970.06316.54
5.4.120.3070.07016.21
5.4.110.3670.07016.20
5.4.100.3570.10316.06
5.4.90.2130.11316.47
5.4.80.3230.06716.42
5.4.70.3100.06016.18
5.4.60.3270.06316.45
5.4.50.2900.06716.36
5.4.40.3870.09316.43
5.4.30.3600.07016.03
5.4.20.3700.06316.18
5.4.10.4000.06716.46
5.4.00.4230.07015.77
5.3.290.3430.06714.62
5.3.280.3600.06314.68
5.3.270.4370.06714.48
5.3.260.3330.07314.46
5.3.250.3630.07314.46
5.3.240.3770.07714.46
5.3.230.3730.06714.57
5.3.220.3830.08314.55
5.3.210.3870.07014.51
5.3.200.3470.07314.52
5.3.190.3470.08014.54
5.3.180.3570.07014.39
5.3.170.3000.07014.41
5.3.160.2630.07014.53
5.3.150.3470.07314.59
5.3.140.3300.07014.54
5.3.130.3530.07314.53
5.3.120.3670.07014.50
5.3.110.3870.07314.50
5.3.100.3800.07714.13
5.3.90.3370.07013.88
5.3.80.3530.07013.96
5.3.70.3500.06714.10
5.3.60.3430.06713.95
5.3.50.3370.07013.99
5.3.40.3570.07713.79
5.3.30.3570.07713.68
5.3.20.3000.07013.71
5.3.10.3530.07013.56
5.3.00.3370.06713.52
5.2.170.2800.06311.01
5.2.160.2900.06710.98
5.2.150.2900.07311.05
5.2.140.3030.07011.00
5.2.130.2900.06711.26
5.2.120.2830.06711.20
5.2.110.3300.06710.91
5.2.100.2600.06710.96
5.2.90.3270.06310.95
5.2.80.3500.06710.93
5.2.70.3730.05710.95
5.2.60.3430.06010.93
5.2.50.3530.07010.84
5.2.40.2970.06710.89
5.2.30.2670.06010.90
5.2.20.2970.06011.00
5.2.10.2270.06010.90
5.2.00.2270.05710.65
5.1.60.2200.0539.97
5.1.50.2500.06010.08
5.1.40.2200.0609.88
5.1.30.2100.06710.33
5.1.20.2630.06310.26
5.1.10.2530.07010.18
5.1.00.2430.06710.15
5.0.50.1700.0778.71
5.0.40.1330.0708.33
5.0.30.1670.0778.23
5.0.20.1630.0678.17
5.0.10.1770.0678.29
5.0.00.1300.0838.23
4.4.90.1570.0605.89
4.4.80.1600.0505.83
4.4.70.1330.0505.83
4.4.60.1170.0505.83
4.4.50.1200.0535.79
4.4.40.1100.0635.80
4.4.30.1330.0505.77
4.4.20.1200.0475.88
4.4.10.1430.0705.89
4.4.00.1430.0635.82
4.3.110.1470.0475.73
4.3.100.1600.0535.73
4.3.90.1670.0505.79
4.3.80.1330.0605.71
4.3.70.1400.0505.71
4.3.60.1500.0535.75
4.3.50.1470.0505.71
4.3.40.1630.0635.64
4.3.30.0670.0535.11
4.3.20.0700.0505.11
4.3.10.0670.0535.11
4.3.00.0730.0535.11

preferences:
49.87 ms | 401 KiB | 5 Q