3v4l.org

run code in 300+ PHP versions simultaneously
<?php $page_class = "whut\n"; echo !isset($page_class) ?: $page_class; unset($page_class); echo !isset($page_class) ?: $page_class;

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)
8.3.40.0070.01018.56
8.3.30.0100.00318.90
8.3.20.0040.00420.20
8.3.10.0030.00623.53
8.3.00.0040.00420.68
8.2.170.0100.00722.96
8.2.160.0100.00320.33
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0050.00319.36
8.2.110.0050.00520.45
8.2.100.0000.01217.91
8.2.90.0000.00719.11
8.2.80.0040.00417.97
8.2.70.0000.00917.46
8.2.60.0000.00918.03
8.2.50.0000.00818.07
8.2.40.0030.00618.22
8.2.30.0070.00018.30
8.2.20.0040.00417.65
8.2.10.0000.00817.95
8.2.00.0040.00417.73
8.1.270.0070.00723.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.98
8.1.230.0110.00019.22
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0080.00317.34
8.1.190.0050.00317.22
8.1.180.0050.00318.10
8.1.170.0050.00318.47
8.1.160.0000.00721.91
8.1.150.0000.00718.66
8.1.140.0040.00417.33
8.1.130.0000.00717.80
8.1.120.0030.00317.39
8.1.110.0040.00417.34
8.1.100.0020.00517.48
8.1.90.0080.00017.44
8.1.80.0080.00017.34
8.1.70.0040.00417.46
8.1.60.0050.00217.48
8.1.50.0040.00417.52
8.1.40.0000.00717.51
8.1.30.0040.00417.56
8.1.20.0080.00017.60
8.1.10.0000.00817.41
8.1.00.0000.00817.29
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.29
8.0.270.0070.00017.15
8.0.260.0000.00617.15
8.0.250.0070.00016.81
8.0.240.0040.00416.92
8.0.230.0040.00416.90
8.0.220.0030.00316.87
8.0.210.0000.00716.79
8.0.200.0030.00316.93
8.0.190.0000.00716.90
8.0.180.0070.00016.86
8.0.170.0000.00816.91
8.0.160.0000.00716.90
8.0.150.0050.00216.88
8.0.140.0000.00716.67
8.0.130.0030.00313.33
8.0.120.0040.00316.75
8.0.110.0000.00716.83
8.0.100.0000.00716.79
8.0.90.0000.00716.94
8.0.80.0070.00716.96
8.0.70.0040.00416.76
8.0.60.0070.00016.85
8.0.50.0000.00716.75
8.0.30.0090.00917.06
8.0.20.0090.00917.40
8.0.10.0000.00717.04
8.0.00.0140.00316.69
7.4.330.0050.00015.00
7.4.320.0060.00016.50
7.4.300.0070.00016.50
7.4.290.0030.00316.57
7.4.280.0050.00316.61
7.4.270.0000.00716.57
7.4.260.0040.00416.50
7.4.250.0080.00016.57
7.4.240.0020.00516.56
7.4.230.0070.00016.65
7.4.220.0110.00816.50
7.4.210.0070.00716.59
7.4.200.0030.00316.57
7.4.160.0090.00616.68
7.4.150.0060.01217.40
7.4.140.0080.01017.86
7.4.130.0080.00816.41
7.4.120.0090.00816.60
7.4.110.0180.00316.35
7.4.100.0110.00516.35
7.4.90.0100.00716.51
7.4.80.0100.01419.39
7.4.70.0100.01016.32
7.4.60.0030.01516.48
7.4.50.0080.00016.36
7.4.40.0100.00616.37
7.4.30.0130.00316.41
7.4.00.0030.01014.64
7.3.330.0000.00713.11
7.3.320.0030.00313.05
7.3.310.0000.00716.05
7.3.300.0000.00716.02
7.3.290.0060.01316.14
7.3.280.0070.01116.11
7.3.270.0070.01117.40
7.3.260.0110.00716.20
7.3.250.0080.00916.30
7.3.240.0040.01316.43
7.3.230.0080.00816.39
7.3.210.0150.00416.15
7.3.200.0090.00619.39
7.3.190.0060.01016.33
7.3.180.0040.01116.32
7.3.170.0180.00316.27
7.3.160.0040.01816.30
7.3.120.0080.00414.72
7.2.330.0070.01116.44
7.2.320.0070.01116.49
7.2.310.0070.01016.21
7.2.300.0130.00316.41
7.2.290.0110.01116.25
7.2.60.0130.00316.92
7.2.00.0080.00419.30
7.1.200.0070.00715.74
7.1.100.0090.00617.65
7.1.70.0060.01017.23
7.1.60.0070.00717.11
7.1.50.0160.00616.96
7.1.00.0030.07722.31
7.0.200.0080.00616.77
7.0.140.0000.08021.95
7.0.100.0200.03319.95
7.0.90.0070.04320.02
7.0.80.0070.05319.84
7.0.70.0100.04019.89
7.0.60.0030.05719.94
7.0.50.0030.04020.38
7.0.40.0030.04020.07
7.0.30.0070.08320.18
7.0.20.0030.07020.05
7.0.10.0070.03720.11
7.0.00.0000.06020.12
5.6.280.0070.07020.90
5.6.250.0030.04020.59
5.6.240.0030.04020.59
5.6.230.0070.05320.68
5.6.220.0000.04320.64
5.6.210.0070.03720.55
5.6.200.0070.04021.08
5.6.190.0100.04320.95
5.6.180.0100.03721.07
5.6.170.0000.07320.94
5.6.160.0030.04021.10
5.6.150.0070.03720.93
5.6.140.0030.04320.96
5.6.130.0000.04721.16
5.6.120.0000.04721.04
5.6.110.0070.09021.04
5.6.100.0070.08721.08
5.6.90.0070.07721.11
5.6.80.0000.04320.32
5.6.70.0130.07320.39
5.6.60.0030.04020.38
5.6.50.0070.07020.52
5.6.40.0030.08320.41
5.6.30.0130.07020.26
5.6.20.0030.05720.42
5.6.10.0000.08320.28
5.6.00.0030.07720.29
5.5.380.0030.03720.55
5.5.370.0070.05720.38
5.5.360.0000.04320.48
5.5.350.0000.04720.44
5.5.340.0000.04320.77
5.5.330.0030.07020.72
5.5.320.0070.04020.77
5.5.310.0070.03720.79
5.5.300.0070.03720.79
5.5.290.0070.04020.91
5.5.280.0130.05320.86
5.5.270.0100.07720.80
5.5.260.0100.07320.71
5.5.250.0030.07720.71
5.5.240.0070.08020.27
5.5.230.0030.06020.23
5.5.220.0070.04320.16
5.5.210.0030.08320.25
5.5.200.0070.05020.08
5.5.190.0130.07020.13
5.5.180.0070.06720.12
5.5.160.0100.07020.20
5.5.150.0000.08720.21
5.5.140.0100.06020.14
5.5.130.0030.07720.27
5.5.120.0100.08020.20
5.5.110.0070.06320.25
5.5.100.0030.08020.13
5.5.90.0070.07019.93
5.5.80.0030.05720.14
5.5.70.0130.05720.09
5.5.60.0100.06320.04
5.5.50.0170.06720.11
5.5.40.0000.08320.04
5.5.30.0030.08719.94
5.5.20.0070.07020.07
5.5.10.0030.06720.06
5.5.00.0100.07720.11
5.4.450.0100.05319.23
5.4.440.0000.05319.38
5.4.430.0000.04319.37
5.4.420.0100.07719.34
5.4.410.0170.06319.16
5.4.400.0000.06319.15
5.4.390.0200.06019.23
5.4.380.0070.07018.90
5.4.370.0070.07019.05
5.4.360.0070.07718.79
5.4.350.0030.08019.18
5.4.340.0070.08319.12
5.4.320.0030.08319.05
5.4.310.0070.07319.23
5.4.300.0070.07319.02
5.4.290.0130.07019.02
5.4.280.0170.06719.03
5.4.270.0130.07018.98
5.4.260.0070.08319.14
5.4.250.0100.06318.94
5.4.240.0030.06018.97
5.4.230.0070.07719.05
5.4.220.0130.03719.06
5.4.210.0100.07319.09
5.4.200.0000.04719.02
5.4.190.0030.07019.22
5.4.180.0030.04019.01
5.4.170.0070.07319.10
5.4.160.0070.07719.06
5.4.150.0100.04319.02
5.4.140.0070.07316.37
5.4.130.0070.07316.34
5.4.120.0100.07016.27
5.4.110.0030.07316.38
5.4.100.0070.07316.42
5.4.90.0130.06316.23
5.4.80.0070.04016.34
5.4.70.0070.08016.34
5.4.60.0100.06716.28
5.4.50.0130.06716.19
5.4.40.0100.04016.34
5.4.30.0000.04316.32
5.4.20.0100.06716.23
5.4.10.0100.05016.29
5.4.00.0100.06015.81
5.3.290.0130.07014.57
5.3.280.0030.06314.55
5.3.270.0070.07714.54
5.3.260.0100.06714.58
5.3.250.0000.07314.46
5.3.240.0070.05014.45
5.3.230.0030.06014.45
5.3.220.0000.04714.52
5.3.210.0070.05714.42
5.3.200.0030.07714.57
5.3.190.0170.06714.57
5.3.180.0070.08014.54
5.3.170.0000.07314.49
5.3.160.0100.05314.39
5.3.150.0030.07314.42
5.3.140.0170.06014.49
5.3.130.0030.07314.55
5.3.120.0100.05014.50
5.3.110.0070.07314.53
5.3.100.0070.07313.89
5.3.90.0170.06713.89
5.3.80.0130.06714.00
5.3.70.0030.05313.97
5.3.60.0000.04713.85
5.3.50.0130.06713.93
5.3.40.0130.07013.70
5.3.30.0030.05313.86
5.3.20.0070.07313.68
5.3.10.0070.07013.68
5.3.00.0000.07713.68
5.2.170.0000.04013.68
5.2.160.0130.05313.68
5.2.150.0000.06713.68
5.2.140.0030.06313.68
5.2.130.0070.03313.68
5.2.120.0070.05713.68
5.2.110.0030.06013.68
5.2.100.0030.06313.68
5.2.90.0100.05713.68
5.2.80.0070.05713.68
5.2.70.0030.05713.68
5.2.60.0070.05713.68
5.2.50.0030.05013.68
5.2.40.0100.05713.68
5.2.30.0070.06313.68
5.2.20.0070.03713.68
5.2.10.0070.03713.68
5.2.00.0070.04313.68
5.1.60.0030.05313.68
5.1.50.0000.06013.68
5.1.40.0030.05313.68
5.1.30.0030.05713.68
5.1.20.0030.05313.68
5.1.10.0070.05013.68
5.1.00.0030.05313.68
5.0.50.0070.03713.68
5.0.40.0100.03713.68
5.0.30.0070.06313.68
5.0.20.0100.03713.68
5.0.10.0070.04313.68
5.0.00.0100.06013.68
4.4.90.0100.03013.68
4.4.80.0000.03713.68
4.4.70.0030.03013.68
4.4.60.0070.03313.68
4.4.50.0030.02313.68
4.4.40.0070.05313.68
4.4.30.0000.03713.68
4.4.20.0070.03013.68
4.4.10.0030.03013.68
4.4.00.0070.05013.68
4.3.110.0000.04013.68
4.3.100.0030.03713.68
4.3.90.0070.03313.68
4.3.80.0030.05013.68
4.3.70.0070.03013.68
4.3.60.0070.03013.68
4.3.50.0070.03313.68
4.3.40.0000.03313.68
4.3.30.0000.01713.68
4.3.20.0030.02713.68
4.3.10.0000.02713.68
4.3.00.0000.03713.68

preferences:
42.32 ms | 400 KiB | 5 Q