3v4l.org

run code in 300+ PHP versions simultaneously
<?php $first = 'z' + 1; echo $first . "\n"; $second = 'z'; $second++; echo $second . "\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)
8.3.40.0100.00718.80
8.3.30.0060.00818.84
8.3.20.0040.00420.18
8.3.10.0060.00323.67
8.3.00.0060.00323.52
8.2.170.0070.00722.96
8.2.160.0100.00720.27
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0080.00019.64
8.2.120.0000.00726.35
8.2.110.0090.00022.25
8.2.100.0060.00618.04
8.2.90.0000.00819.13
8.2.80.0030.00617.97
8.2.70.0040.00417.63
8.2.60.0040.00417.55
8.2.50.0030.00518.07
8.2.40.0050.00322.38
8.2.30.0000.00719.40
8.2.20.0000.00717.55
8.2.10.0000.00818.09
8.2.00.0040.00417.97
8.1.270.0080.00023.97
8.1.260.0070.00328.09
8.1.250.0040.00428.09
8.1.240.0060.00323.93
8.1.230.0040.00718.95
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00917.23
8.1.190.0040.00417.13
8.1.180.0050.00318.10
8.1.170.0040.00418.56
8.1.160.0000.00820.59
8.1.150.0050.00218.77
8.1.140.0000.00819.37
8.1.130.0000.00717.57
8.1.120.0000.00717.38
8.1.110.0030.00517.35
8.1.100.0040.00417.32
8.1.90.0070.00017.22
8.1.80.0040.00317.30
8.1.70.0030.00317.22
8.1.60.0040.00417.44
8.1.50.0030.00617.36
8.1.40.0000.00817.34
8.1.30.0040.00417.55
8.1.20.0030.00517.48
8.1.10.0030.00617.53
8.1.00.0060.00317.42
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0040.00418.39
8.0.270.0000.00717.07
8.0.260.0030.00317.23
8.0.250.0070.00016.97
8.0.240.0030.00316.94
8.0.230.0000.00716.91
8.0.220.0050.00316.86
8.0.210.0030.00316.85
8.0.200.0060.00316.89
8.0.190.0040.00416.88
8.0.180.0080.00416.93
8.0.170.0000.00716.81
8.0.160.0000.00716.79
8.0.150.0000.00716.93
8.0.140.0070.00016.73
8.0.130.0000.00513.40
8.0.120.0090.00016.88
8.0.110.0000.00816.91
8.0.100.0000.00716.77
8.0.90.0000.00716.84
8.0.80.0000.01516.78
8.0.70.0040.00416.92
8.0.60.0000.00716.71
8.0.50.0050.00316.98
8.0.30.0080.01017.00
8.0.20.0140.00717.40
8.0.10.0000.00716.87
8.0.00.0140.00416.80
7.4.330.0000.00516.67
7.4.320.0030.00316.53
7.4.300.0000.00716.56
7.4.290.0000.00716.43
7.4.280.0060.00316.45
7.4.270.0000.00716.46
7.4.260.0000.00716.31
7.4.250.0030.00316.49
7.4.240.0020.00516.45
7.4.230.0000.00716.45
7.4.220.0090.00616.54
7.4.210.0060.00916.51
7.4.200.0000.00716.31
7.4.160.0000.01516.34
7.4.150.0090.00917.40
7.4.140.0090.01217.86
7.4.130.0130.01216.51
7.4.120.0080.00916.54
7.4.110.0060.01116.52
7.4.100.0150.01216.45
7.4.90.0130.00716.45
7.4.80.0230.00019.39
7.4.70.0090.00716.35
7.4.60.0100.00616.33
7.4.50.0070.00716.51
7.4.40.0030.01416.56
7.4.30.0100.00716.52
7.4.00.0080.00415.00
7.3.330.0040.00413.22
7.3.320.0000.00613.16
7.3.310.0040.00416.17
7.3.300.0040.00416.34
7.3.290.0060.00016.23
7.3.280.0110.00816.29
7.3.270.0130.01017.40
7.3.260.0130.00316.36
7.3.250.0060.01016.54
7.3.240.0150.00216.39
7.3.230.0150.00316.50
7.3.210.0070.01116.30
7.3.200.0110.00619.39
7.3.190.0130.00916.48
7.3.180.0070.01016.53
7.3.170.0040.01216.58
7.3.160.0030.01316.36
7.3.10.0060.00616.64
7.3.00.0080.00616.43
7.2.330.0090.00916.40
7.2.320.0060.00916.67
7.2.310.0050.01116.27
7.2.300.0080.00816.77
7.2.290.0090.00616.58
7.2.130.0120.00816.80
7.2.120.0120.00616.71
7.2.110.0080.01016.78
7.2.100.0250.01216.85
7.2.90.0140.00816.72
7.2.80.0240.00716.83
7.2.70.0140.01017.04
7.2.60.0110.00716.54
7.2.50.0090.01116.75
7.2.40.0110.00316.79
7.2.30.0060.01216.88
7.2.20.0120.00516.68
7.2.10.0050.01116.63
7.2.00.0100.00417.64
7.1.250.0100.00415.62
7.1.200.0040.00715.72
7.1.100.0030.00717.91
7.1.70.0040.00416.88
7.1.60.0040.01519.27
7.1.50.0100.01016.95
7.1.00.0070.07322.51
7.0.200.0000.00816.75
7.0.100.0070.05019.95
7.0.90.0070.08019.96
7.0.80.0130.07719.95
7.0.70.0030.04020.01
7.0.60.0030.04319.87
7.0.50.0030.03720.15
7.0.40.0170.03020.13
7.0.30.0070.04020.02
7.0.20.0070.04020.18
7.0.10.0100.03320.10
7.0.00.0070.03320.09
5.6.280.0100.03720.85
5.6.250.0070.07720.61
5.6.240.0000.07720.63
5.6.230.0200.05020.50
5.6.220.0070.04020.54
5.6.210.0030.04020.68
5.6.200.0070.05021.04
5.6.190.0230.02321.04
5.6.180.0130.03021.03
5.6.170.0070.04321.11
5.6.160.0030.04721.01
5.6.150.0030.04021.01
5.6.140.0070.03021.01
5.6.130.0070.03321.07
5.6.120.0000.04021.07
5.6.110.0100.03021.12
5.6.100.0070.03321.02
5.6.90.0030.03721.05
5.6.80.0030.04020.40
5.6.70.0030.03720.32
5.6.60.0100.02720.41
5.6.50.0070.03320.27
5.6.40.0070.03320.46
5.6.30.0030.03720.46
5.6.20.0030.03320.37
5.6.10.0070.03320.45
5.6.00.0130.03720.34
5.5.380.0030.04020.34
5.5.370.0070.08020.51
5.5.360.0170.03720.52
5.5.350.0070.04020.40
5.5.340.0030.04320.79
5.5.330.0030.03320.79
5.5.320.0030.04720.86
5.5.310.0030.03720.82
5.5.300.0030.04020.74
5.5.290.0030.03720.88
5.5.280.0100.03320.60
5.5.270.0100.03320.71
5.5.260.0070.03320.88
5.5.250.0030.03320.43
5.5.240.0100.03720.17
5.5.230.0030.03320.01
5.5.220.0100.03020.22
5.5.210.0070.03020.02
5.5.200.0030.04020.11
5.5.190.0130.02720.15
5.5.180.0100.02719.98
5.5.160.0070.04720.20
5.5.150.0100.07720.23
5.5.140.0030.04320.13
5.5.130.0070.03720.27
5.5.120.0070.07720.07
5.5.110.0100.08020.25
5.5.100.0000.08020.15
5.5.90.0030.06020.03
5.5.80.0030.04020.06
5.5.70.0130.07320.16
5.5.60.0000.04720.15
5.5.50.0100.07720.15
5.5.40.0000.06320.14
5.5.30.0100.05320.00
5.5.20.0070.07720.10
5.5.10.0100.07720.07
5.5.00.0070.08320.02
5.4.450.0030.04319.44
5.4.440.0030.03719.38
5.4.430.0030.04019.30
5.4.420.0100.03719.34
5.4.410.0030.03318.98
5.4.400.0130.02718.91
5.4.390.0000.04318.95
5.4.380.0000.03318.92
5.4.370.0070.02718.92
5.4.360.0070.03718.96
5.4.350.0000.04019.06
5.4.340.0000.03719.08
5.4.320.0170.07018.84
5.4.310.0130.02319.07
5.4.300.0030.03718.80
5.4.290.0070.03719.22
5.4.280.0070.06019.07
5.4.270.0030.08019.11
5.4.260.0100.07319.14
5.4.250.0070.05319.04
5.4.240.0070.05719.13
5.4.230.0170.06719.11
5.4.220.0070.06719.13
5.4.210.0170.07319.11
5.4.200.0070.03719.22
5.4.190.0130.06319.06
5.4.180.0130.07318.95
5.4.170.0100.06018.79
5.4.160.0100.07319.01
5.4.150.0130.07019.00
5.4.140.0030.06716.27
5.4.130.0100.06716.36
5.4.120.0030.05716.32
5.4.110.0000.04016.45
5.4.100.0130.05716.26
5.4.90.0030.07316.33
5.4.80.0100.06016.36
5.4.70.0130.06716.19
5.4.60.0030.04716.41
5.4.50.0100.06716.41
5.4.40.0100.04016.33
5.4.30.0070.07016.18
5.4.20.0070.03316.20
5.4.10.0230.05316.19
5.4.00.0070.06715.79
5.3.290.0100.06014.60
5.3.280.0000.03714.60
5.3.270.0130.06714.59
5.3.260.0100.07314.58
5.3.250.0030.07714.57
5.3.240.0100.06714.54
5.3.230.0000.04714.46
5.3.220.0030.07314.52
5.3.210.0030.05014.38
5.3.200.0100.02714.47
5.3.190.0030.04014.38
5.3.180.0100.06714.47
5.3.170.0030.04714.57
5.3.160.0030.06314.41
5.3.150.0130.07314.53
5.3.140.0100.04314.55
5.3.130.0130.07314.41
5.3.120.0070.06714.40
5.3.110.0030.07314.48
5.3.100.0070.04314.04
5.3.90.0170.06713.84
5.3.80.0000.08313.87
5.3.70.0030.06013.77
5.3.60.0100.07313.95
5.3.50.0030.05013.88
5.3.40.0070.05013.93
5.3.30.0070.07013.66
5.3.20.0070.03713.54
5.3.10.0100.05713.64
5.3.00.0070.07313.58
5.2.170.0100.05712.16
5.2.160.0100.05012.16
5.2.150.0130.05312.16
5.2.140.0170.03712.16
5.2.130.0030.03012.16
5.2.120.0100.05012.16
5.2.110.0100.05712.16
5.2.100.0030.05012.16
5.2.90.0070.06012.16
5.2.80.0000.06312.16
5.2.70.0030.04312.16
5.2.60.0100.07012.16
5.2.50.0070.03012.16
5.2.40.0030.03312.16
5.2.30.0100.06012.16
5.2.20.0130.03312.16
5.2.10.0030.05312.16
5.2.00.0000.07012.16
5.1.60.0070.03712.16
5.1.50.0030.03312.16
5.1.40.0100.05012.16
5.1.30.0100.05012.16
5.1.20.0030.04712.16
5.1.10.0030.04312.16
5.1.00.0030.05712.16
5.0.50.0070.03312.16
5.0.40.0030.03012.16
5.0.30.0000.04312.16
5.0.20.0070.03712.16
5.0.10.0030.02312.16
5.0.00.0070.03012.16
4.4.90.0000.02012.16
4.4.80.0000.02012.16
4.4.70.0030.04012.16
4.4.60.0170.02012.16
4.4.50.0070.02312.16
4.4.40.0100.03712.16
4.4.30.0070.03012.16
4.4.20.0070.01712.16
4.4.10.0070.01712.16
4.4.00.0030.04312.16
4.3.110.0030.03712.16
4.3.100.0030.03312.16
4.3.90.0030.02712.16
4.3.80.0000.02712.16
4.3.70.0030.03312.16
4.3.60.0000.01712.16
4.3.50.0030.03312.16
4.3.40.0000.04712.16
4.3.30.0030.03312.16
4.3.20.0030.03012.16
4.3.10.0000.02712.16
4.3.00.0000.03012.16

preferences:
51.89 ms | 400 KiB | 5 Q