3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; $b = 'pouet'; if ($a == $b) { echo 'U'; } else { echo 'B'; } echo '<br>'; var_dump((string)$a); var_dump((string)$b);

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)
8.3.60.0060.00916.63
8.3.50.0120.00822.05
8.3.40.0130.00618.60
8.3.30.0150.00019.06
8.3.20.0000.00720.29
8.3.10.0050.00221.90
8.3.00.0070.01719.22
8.2.180.0190.00818.41
8.2.170.0140.00022.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0020.00522.29
8.2.110.0080.00022.18
8.2.100.0060.00617.72
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0000.00819.65
8.2.50.0060.00318.07
8.2.40.0030.00619.88
8.2.30.0040.00419.72
8.2.20.0000.00717.73
8.2.10.0040.00418.06
8.2.00.0000.00717.74
8.1.280.0040.01125.92
8.1.270.0050.00323.96
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00023.83
8.1.230.0070.00419.05
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0040.00417.09
8.1.180.0050.00519.01
8.1.170.0030.00620.16
8.1.160.0000.00721.96
8.1.150.0030.00618.51
8.1.140.0040.00417.30
8.1.130.0030.00317.85
8.1.120.0000.00717.50
8.1.110.0000.00717.46
8.1.100.0030.00417.42
8.1.90.0040.00417.46
8.1.80.0030.00317.47
8.1.70.0030.00317.37
8.1.60.0080.00017.62
8.1.50.0040.00417.48
8.1.40.0080.00017.52
8.1.30.0040.00417.64
8.1.20.0040.00417.56
8.1.10.0000.00817.47
8.1.00.0040.00417.34
8.0.300.0070.00020.65
8.0.290.0040.00417.16
8.0.280.0030.00318.43
8.0.270.0000.00717.15
8.0.260.0000.00717.24
8.0.250.0000.00716.96
8.0.240.0030.00316.93
8.0.230.0000.00716.93
8.0.220.0000.00616.79
8.0.210.0000.00716.87
8.0.200.0070.00017.02
8.0.190.0040.00416.95
8.0.180.0000.00716.96
8.0.170.0040.00416.88
8.0.160.0030.00517.02
8.0.150.0050.00516.81
8.0.140.0030.00516.81
8.0.130.0000.00513.43
8.0.120.0040.00416.78
8.0.110.0040.00416.92
8.0.100.0030.00516.75
8.0.90.0040.00416.93
8.0.80.0080.00916.93
8.0.70.0040.00416.84
8.0.60.0070.00016.74
8.0.50.0000.00817.00
8.0.30.0090.01017.25
8.0.20.0140.00317.40
8.0.10.0000.00717.04
8.0.00.0050.01316.70
7.4.330.0050.00015.09
7.4.320.0040.00416.49
7.4.300.0030.00316.56
7.4.290.0060.00316.49
7.4.280.0070.00416.57
7.4.270.0070.00016.50
7.4.260.0070.00016.49
7.4.250.0000.00816.49
7.4.240.0040.00316.53
7.4.230.0000.00716.65
7.4.220.0150.01216.57
7.4.210.0060.00916.65
7.4.200.0000.00716.25
7.4.190.0070.00016.55
7.4.160.0160.00316.43
7.4.150.0100.01017.40
7.4.140.0150.01217.86
7.4.130.0080.00816.39
7.4.120.0100.00616.46
7.4.110.0030.01716.48
7.4.100.0080.01416.56
7.4.90.0070.01016.52
7.4.80.0090.01319.39
7.4.70.0060.01316.51
7.4.60.0100.00616.38
7.4.50.0000.00416.59
7.4.40.0100.00616.46
7.4.30.0100.00716.43
7.4.10.0040.01414.77
7.4.00.0080.00714.90
7.3.330.0030.00312.93
7.3.320.0030.00313.11
7.3.310.0040.00416.19
7.3.300.0030.00316.15
7.3.290.0090.00616.22
7.3.280.0040.01316.20
7.3.270.0100.00717.40
7.3.260.0100.00716.18
7.3.250.0090.00716.18
7.3.240.0090.00616.26
7.3.230.0130.00316.39
7.3.210.0070.01116.46
7.3.200.0040.01819.39
7.3.190.0030.01716.55
7.3.180.0060.00916.25
7.3.170.0130.00616.48
7.3.160.0150.00016.29
7.3.130.0040.00814.45
7.3.120.0050.01414.98
7.3.110.0060.00914.72
7.3.100.0050.00915.00
7.3.90.0110.00514.70
7.3.80.0090.00414.83
7.3.70.0020.01014.81
7.3.60.0050.00714.71
7.3.50.0030.00714.84
7.3.40.0050.00714.86
7.3.30.0060.00614.79
7.3.20.0080.00416.46
7.3.10.0050.00716.50
7.3.00.0090.00316.57
7.2.330.0030.01616.57
7.2.320.0050.01316.43
7.2.310.0030.01316.69
7.2.300.0090.00616.64
7.2.290.0070.01016.70
7.2.260.0070.01314.66
7.2.250.0090.00914.88
7.2.240.0030.01214.84
7.2.230.0060.00915.06
7.2.220.0060.00914.96
7.2.210.0050.00714.86
7.2.200.0090.00014.82
7.2.190.0070.00914.87
7.2.180.0080.00615.01
7.2.170.0100.00514.84
7.2.160.0070.00214.93
7.2.150.0030.01016.89
7.2.140.0060.00616.86
7.2.130.0030.00816.70
7.2.120.0000.01016.97
7.2.110.0070.00616.69
7.2.100.0040.01116.59
7.2.90.0070.00616.75
7.2.80.0080.00516.75
7.2.70.0090.00916.80
7.2.60.0080.00916.85
7.2.50.0080.01216.95
7.2.40.0110.00616.74
7.2.30.0150.00616.93
7.2.20.0070.00716.70
7.2.10.0210.00916.67
7.2.00.0060.00817.51
7.1.330.0050.01015.78
7.1.320.0020.01315.51
7.1.310.0070.00715.60
7.1.300.0080.00215.57
7.1.290.0100.00515.81
7.1.280.0020.00815.44
7.1.270.0060.00315.69
7.1.260.0030.00815.45
7.1.250.0030.00915.67
7.1.240.0040.00415.68
7.1.230.0080.00715.60
7.1.220.0050.01115.66
7.1.210.0080.00615.52
7.1.200.0050.00915.52
7.1.190.1210.00815.76
7.1.180.0140.00415.78
7.1.170.1300.00615.54
7.1.160.0080.00715.64
7.1.150.0070.00715.70
7.1.140.0040.01015.52
7.1.130.0060.01015.46
7.1.120.0340.00715.56
7.1.110.0070.00615.74
7.1.100.0070.00716.59
7.1.90.0090.00815.65
7.1.80.0000.01115.57
7.1.70.0070.00616.19
7.1.60.0080.01017.06
7.1.50.0100.00615.92
7.1.40.0160.00315.76
7.1.30.0110.00915.82
7.1.20.0090.00615.63
7.1.10.0110.00415.59
7.1.00.0190.03317.84
7.0.330.0060.00615.41
7.0.320.0030.01015.30
7.0.310.0020.01115.33
7.0.300.0120.00015.38
7.0.290.0090.00615.27
7.0.280.0050.00815.42
7.0.270.0060.00715.46
7.0.260.0060.00815.44
7.0.250.0090.00715.24
7.0.240.0070.00915.20
7.0.230.0060.00915.32
7.0.220.0050.00815.43
7.0.210.0160.00615.38
7.0.200.0070.00615.84
7.0.190.0070.00615.33
7.0.180.0170.00415.27
7.0.170.0110.00615.33
7.0.160.0130.00615.33
7.0.150.0080.00715.41
7.0.140.0070.03217.60
7.0.130.0180.00715.22
7.0.120.0240.00715.37
7.0.110.0140.00315.29
7.0.100.0070.00715.39
7.0.90.0170.00315.29
7.0.80.0120.01015.22
7.0.70.0100.00515.44
7.0.60.0080.02816.85
7.0.50.0070.03116.22
7.0.40.0100.02815.56
7.0.30.0100.02115.75
7.0.20.0110.02415.58
7.0.10.0120.01615.68
7.0.00.0070.01815.71
5.6.400.0060.00314.50
5.6.390.0110.00314.54
5.6.380.0060.00814.60
5.6.370.0130.00314.66
5.6.360.0090.00414.38
5.6.350.0060.00514.34
5.6.340.0100.00514.27
5.6.330.0070.00814.41
5.6.320.0050.00814.28
5.6.310.0120.00614.16
5.6.300.0080.00614.34
5.6.290.0070.01214.60
5.6.280.0070.02916.52
5.6.270.0100.00414.41
5.6.260.0090.00314.32
5.6.250.0090.00614.37
5.6.240.0130.00314.23
5.6.230.0090.00614.50
5.6.220.0100.00514.30
5.6.210.0030.03416.47
5.6.200.0060.02115.52
5.6.190.0080.03116.42
5.6.180.0060.03116.40
5.6.170.0150.03116.38
5.6.160.0060.01916.34
5.6.150.0140.01415.70
5.6.140.0100.01715.47
5.6.130.0110.01715.51
5.6.120.0070.02816.56
5.6.110.0060.01816.57
5.6.100.0100.02916.61
5.6.90.0120.02816.44
5.6.80.0100.03016.48
5.6.70.0080.00614.26
5.6.60.0060.00914.39
5.6.50.0130.00414.47
5.6.40.0130.00914.25
5.6.30.0110.00714.05
5.6.20.0110.00514.45
5.6.10.0080.00614.19
5.6.00.0050.01014.17
5.5.380.0110.00213.51
5.5.370.0060.00413.46
5.5.360.0110.00213.45
5.5.350.0080.03015.74
5.5.340.0040.03514.97
5.5.330.0090.02615.66
5.5.320.0130.01815.84
5.5.310.0110.01915.72
5.5.300.0070.02515.02
5.5.290.0050.02414.96
5.5.280.0070.02316.03
5.5.270.0030.02015.98
5.5.260.0100.02816.03
5.5.250.0030.02215.86
5.5.240.0100.01615.77
5.5.230.0070.00513.58
5.5.220.0070.00713.37
5.5.210.0030.01013.45
5.5.200.0070.00913.50
5.5.190.0070.00613.52
5.5.180.0080.00613.53
5.5.170.0150.00414.07
5.5.160.0070.00813.54
5.5.150.0090.00613.52
5.5.140.0100.00413.50
5.5.130.0060.00813.36
5.5.120.0080.00713.47
5.5.110.0080.00513.45
5.5.100.0030.01013.58
5.5.90.0030.01013.51
5.5.80.0060.00813.52
5.5.70.0080.00613.26
5.5.60.0090.00513.35
5.5.50.0100.00313.37
5.5.40.0060.00613.27
5.5.30.0090.00513.55
5.5.20.0090.00413.52
5.5.10.0050.00913.46
5.5.00.0060.00513.52
5.4.450.0110.03014.53
5.4.440.0040.03114.34
5.4.430.0060.02514.31
5.4.420.0280.02714.26
5.4.410.0740.01814.41
5.4.400.0690.01414.20
5.4.390.0760.01614.30
5.4.380.0160.02614.22
5.4.370.0030.01814.21
5.4.360.0060.01814.13
5.4.350.0530.01214.27
5.4.340.0650.01614.16
5.4.330.0090.00211.86
5.4.320.0690.01214.22
5.4.310.0650.01514.22
5.4.300.0640.01614.17
5.4.290.0720.01714.18
5.4.280.0680.01414.30
5.4.270.0670.01414.29
5.4.260.0720.01714.19
5.4.250.0690.01214.31
5.4.240.0420.01914.23
5.4.230.0050.01414.15
5.4.220.0060.02414.26
5.4.210.0400.01514.30
5.4.200.0690.01814.23
5.4.190.0630.01614.28
5.4.180.0630.01514.24
5.4.170.0660.01614.34
5.4.160.0740.01514.34
5.4.150.0660.01614.25
5.4.140.0790.01413.38
5.4.130.0720.01613.34
5.4.120.0680.01513.40
5.4.110.0540.01913.42
5.4.100.0050.02813.38
5.4.90.0060.01513.38
5.4.80.0060.02513.36
5.4.70.0570.01613.34
5.4.60.0540.01513.38
5.4.50.0740.01713.29
5.4.40.0650.01913.37
5.4.30.0710.01213.38
5.4.20.0670.01313.33
5.4.10.0730.00813.40
5.4.00.0750.02013.09
5.3.290.0680.01512.65
5.3.280.0210.01512.49
5.3.270.0030.01712.62
5.3.260.0050.01412.50
5.3.250.0130.01812.54
5.3.240.0680.01712.58
5.3.230.0660.01612.54
5.3.220.0690.01812.47
5.3.210.0690.01512.48
5.3.200.0720.01812.52
5.3.190.0650.01712.44
5.3.180.0800.01712.48
5.3.170.0740.01612.60
5.3.160.0930.01412.55
5.3.150.0690.01212.48
5.3.140.0810.01812.58
5.3.130.0670.01612.56
5.3.120.0720.02012.45
5.3.110.0690.01412.54
5.3.100.0690.01512.39
5.3.90.0720.01412.37
5.3.80.0710.01712.39
5.3.70.0750.01312.22
5.3.60.0730.01612.33
5.3.50.0720.01712.25
5.3.40.0640.01412.33
5.3.30.0690.01712.42
5.3.20.0610.01712.16
5.3.10.0670.01812.22
5.3.00.0670.01612.11
5.2.170.0810.01612.05
5.2.160.0810.01212.04
5.2.150.0930.01511.99
5.2.140.0800.01911.89
5.2.130.0780.01411.92
5.2.120.0880.01911.88
5.2.110.0730.02211.89
5.2.100.0940.01711.87
5.2.90.0920.01611.86
5.2.80.0100.02311.91
5.2.70.0080.01711.98
5.2.60.0050.02911.84
5.2.50.0140.03411.93
5.2.40.0110.01511.81
5.2.30.0080.02211.90
5.2.20.0070.03311.95
5.2.10.0070.02211.78
5.2.00.0090.01811.75
5.1.60.0080.01311.43
5.1.50.0130.02511.44
5.1.40.0110.02811.34
5.1.30.0100.02011.52
5.1.20.0110.01511.57
5.1.10.0080.01511.42
5.1.00.0090.01311.45
5.0.50.0050.01810.64
5.0.40.0050.00910.67
5.0.30.0090.01310.44
5.0.20.0050.01010.42
5.0.10.0060.01010.41
5.0.00.0100.02210.41
4.4.90.0070.01710.29
4.4.80.0050.01610.29
4.4.70.0020.01710.29
4.4.60.0030.02110.29
4.4.50.0070.01610.29
4.4.40.0050.01410.29
4.4.30.0050.01910.29
4.4.20.0030.01010.29
4.4.10.0030.00910.29
4.4.00.0030.02510.29
4.3.110.0050.01010.29
4.3.100.0060.01110.29
4.3.90.0050.01710.29
4.3.80.0070.02510.29
4.3.70.0040.01310.29
4.3.60.0050.01810.29
4.3.50.0030.01510.29
4.3.40.0050.01610.29
4.3.30.0050.00810.29
4.3.20.0020.00810.29
4.3.10.0040.00910.29
4.3.00.0030.01910.29

preferences:
39.82 ms | 400 KiB | 5 Q