3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = ''; $var2 = $var3 = null; $var1--; $var2++; $var3++; var_dump($var1); var_dump($var2); var_dump($var3); ?>

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)
8.3.60.0070.00718.31
8.3.50.0120.00722.11
8.3.40.0110.00418.57
8.3.30.0110.01118.72
8.3.20.0040.00418.65
8.3.10.0040.00421.10
8.3.00.0040.00421.77
8.2.180.0140.00716.75
8.2.170.0110.00722.96
8.2.160.0090.00420.35
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00419.23
8.2.110.0030.00620.27
8.2.100.0110.00017.85
8.2.90.0050.00317.84
8.2.80.0050.00317.97
8.2.70.0040.00417.49
8.2.60.0000.00817.90
8.2.50.0040.00418.07
8.2.40.0040.00418.05
8.2.30.0000.00719.90
8.2.20.0060.00317.63
8.2.10.0000.00717.72
8.2.00.0070.00317.62
8.1.280.0180.00325.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00322.14
8.1.230.0070.00420.97
8.1.220.0030.00517.74
8.1.210.0030.00518.91
8.1.200.0060.00317.35
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00718.71
8.1.150.0040.00418.56
8.1.140.0000.00717.32
8.1.130.0000.00717.81
8.1.120.0000.00717.30
8.1.110.0060.00417.29
8.1.100.0000.00817.28
8.1.90.0000.00717.35
8.1.80.0000.00717.34
8.1.70.0050.00517.35
8.1.60.0000.00817.49
8.1.50.0000.00717.43
8.1.40.0000.00917.35
8.1.30.0030.00617.56
8.1.20.0000.00817.58
8.1.10.0070.00017.45
8.1.00.0020.00517.38
8.0.300.0040.00420.14
8.0.290.0070.00016.63
8.0.280.0030.00318.35
8.0.270.0030.00317.16
8.0.260.0000.00616.61
8.0.250.0000.00716.76
8.0.240.0000.00816.86
8.0.230.0000.00716.87
8.0.220.0070.00016.72
8.0.210.0070.00016.80
8.0.200.0030.00316.74
8.0.190.0040.00416.86
8.0.180.0070.00016.70
8.0.170.0030.00316.80
8.0.160.0070.00016.89
8.0.150.0060.00316.79
8.0.140.0030.00316.68
8.0.130.0030.00313.30
8.0.120.0000.00716.74
8.0.110.0000.00716.84
8.0.100.0040.00416.78
8.0.90.0040.00416.68
8.0.80.0150.00616.80
8.0.70.0000.00816.84
8.0.60.0040.00416.62
8.0.50.0070.00016.84
8.0.30.0050.01317.02
8.0.20.0060.01317.40
8.0.10.0080.00016.98
8.0.00.0100.01216.70
7.4.330.0000.00613.43
7.4.320.0030.00316.45
7.4.300.0000.00616.41
7.4.290.0000.00716.52
7.4.280.0060.00316.55
7.4.270.0070.00016.37
7.4.260.0000.00513.15
7.4.250.0000.00916.51
7.4.240.0000.00716.54
7.4.230.0030.00316.57
7.4.220.0080.01116.36
7.4.210.0070.00916.47
7.4.200.0000.00716.46
7.4.190.0040.00416.60
7.4.160.0030.01316.23
7.4.150.0090.00917.40
7.4.140.0140.01217.86
7.4.130.0080.00816.26
7.4.120.0110.00616.45
7.4.110.0130.00316.20
7.4.100.0100.00716.46
7.4.90.0110.01116.46
7.4.80.0100.00719.37
7.4.70.0120.00916.41
7.4.60.0000.01616.30
7.4.50.0050.00316.31
7.4.40.0110.00722.27
7.4.30.0110.01116.46
7.4.00.0040.01115.06
7.3.330.0020.00212.94
7.3.320.0030.00313.18
7.3.310.0000.00716.28
7.3.300.0040.00416.22
7.3.290.0060.01316.18
7.3.280.0060.01016.26
7.3.270.0110.00617.40
7.3.260.0120.00818.24
7.3.250.0130.00516.27
7.3.240.0170.00016.14
7.3.230.0100.00716.45
7.3.210.0060.01616.54
7.3.200.0060.01019.39
7.3.190.0150.00716.16
7.3.180.0130.00316.37
7.3.170.0120.00616.30
7.3.160.0100.00616.30
7.3.120.0030.01014.74
7.2.330.0140.00416.49
7.2.320.0000.01616.62
7.2.310.0060.01016.30
7.2.300.0160.00616.30
7.2.290.0030.01316.60
7.2.00.0030.01319.35
7.1.100.0040.00418.20
7.1.70.0070.00017.11
7.1.60.0090.00919.40
7.1.50.0040.01516.96
7.1.00.0030.06722.48
7.0.200.0000.00716.63
7.0.140.0000.07721.90
7.0.60.0130.07719.91
7.0.50.0100.07717.79
7.0.40.0100.09720.09
7.0.30.0070.05720.20
7.0.20.0300.03719.99
7.0.10.0230.05320.16
7.0.00.0100.09020.29
5.6.280.0000.07321.00
5.6.210.0030.07020.64
5.6.200.0070.08018.13
5.6.190.0030.05020.27
5.6.180.0330.06320.77
5.6.170.0200.08320.51
5.6.160.0070.08720.48
5.6.150.0070.03718.18
5.6.140.0070.06718.08
5.6.130.0070.07318.20
5.6.120.0170.07321.11
5.6.110.0130.07021.11
5.6.100.0130.08020.92
5.6.90.0070.07320.98
5.6.80.0070.08020.39
5.6.70.0270.07720.36
5.5.350.0200.07720.52
5.5.340.0030.03717.99
5.5.330.0130.05020.37
5.5.320.0130.04020.07
5.5.310.0200.03720.17
5.5.300.0130.07317.91
5.5.290.0070.07317.87
5.5.280.0170.07320.86
5.5.270.0100.06720.75
5.5.260.0030.08320.86
5.5.250.0070.08020.42
5.5.240.0070.08020.28
5.4.450.0230.04019.39
5.4.440.0230.03319.45
5.4.430.0170.04319.41
5.4.420.0230.03319.41
5.4.410.0200.03019.28
5.4.400.0130.03718.81
5.4.390.0130.04019.16
5.4.380.0170.04319.04
5.4.370.0100.04019.09
5.4.360.0170.03319.26
5.4.350.0300.06719.08
5.4.340.0300.03319.09
5.4.320.0230.07019.10
5.4.310.0170.04719.24
5.4.300.0230.07018.93
5.4.290.0330.06319.08
5.4.280.0300.06718.80
5.4.270.0230.05018.80
5.4.260.0270.06718.80
5.4.250.0230.05019.08
5.4.240.0430.06319.15
5.4.230.0300.06019.15
5.4.220.0200.05018.90
5.4.210.0430.05718.78
5.4.200.0300.03718.78
5.4.190.0130.06719.23
5.4.180.0230.04319.15
5.4.170.0270.06719.07
5.4.160.0370.06018.79
5.4.150.0300.07019.06
5.4.140.0230.07016.45
5.4.130.0230.06716.45
5.4.120.0230.05016.32
5.4.110.0270.04016.49
5.4.100.0300.04016.20
5.4.90.0230.05716.56
5.4.80.0230.04716.23
5.4.70.0200.04316.48
5.4.60.0130.05316.52
5.4.50.0230.06716.21
5.4.40.0230.07016.17
5.4.30.0230.06716.04
5.4.20.0230.02716.17
5.4.10.0270.06716.18
5.4.00.0300.04315.61
5.3.290.0300.06714.61
5.3.280.0200.04714.68
5.3.270.0270.07014.55
5.3.260.0230.07714.50
5.3.250.0230.05314.64
5.3.240.0200.05014.63
5.3.230.0200.05014.43
5.3.220.0300.06314.48
5.3.210.0400.05314.44
5.3.200.0230.05714.54
5.3.190.0300.07014.40
5.3.180.0170.06714.58
5.3.170.0200.03714.43
5.3.160.0200.03714.41
5.3.150.0170.08014.64
5.3.140.0170.04014.50
5.3.130.0130.06714.45
5.3.120.0130.04014.57
5.3.110.0200.06714.40
5.3.100.0300.06013.87
5.3.90.0370.05713.85
5.3.80.0330.06313.86
5.3.70.0270.07013.97
5.3.60.0270.06013.88
5.3.50.0200.07713.85
5.3.40.0330.05713.97
5.3.30.0300.06313.75
5.3.20.0270.04013.57
5.3.10.0230.04313.62
5.3.00.0200.05713.57
5.2.170.0270.04712.34
5.2.160.0230.04712.34
5.2.150.0170.03312.34
5.2.140.0230.04012.34
5.2.130.0170.05012.34
5.2.120.0230.03712.34
5.2.110.0130.03312.34
5.2.100.0270.04712.34
5.2.90.0130.03712.34
5.2.80.0270.05312.34
5.2.70.0200.04712.34
5.2.60.0300.03712.34
5.2.50.0200.05312.34
5.2.40.0200.05312.34
5.2.30.0200.05312.34
5.2.20.0230.04712.34
5.2.10.0270.04712.34
5.2.00.0200.05312.34
5.1.60.0170.05012.34
5.1.50.0170.05312.34
5.1.40.0230.04312.34
5.1.30.0200.04712.34
5.1.20.0170.04312.34
5.1.10.0170.05012.34
5.1.00.0200.04712.34
5.0.50.0070.05012.34
5.0.40.0130.02712.34
5.0.30.0070.05712.34
5.0.20.0100.03012.34
5.0.10.0100.03312.34
5.0.00.0130.04012.34
4.4.90.0070.03012.34
4.4.80.0070.04012.34
4.4.70.0100.03312.34
4.4.60.0070.03312.34
4.4.50.0100.01712.34
4.4.40.0100.05012.34
4.4.30.0170.02712.34
4.4.20.0070.03312.34
4.4.10.0070.02712.34
4.4.00.0070.04712.34
4.3.110.0030.02312.34
4.3.100.0070.03312.34
4.3.90.0100.03312.34
4.3.80.0100.04012.34
4.3.70.0100.02712.34
4.3.60.0070.03012.34
4.3.50.0100.03012.34
4.3.40.0070.05312.34
4.3.30.0100.03312.34
4.3.20.0070.03312.34
4.3.10.0030.02712.34
4.3.00.0030.03312.34

preferences:
46.67 ms | 400 KiB | 5 Q