3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; echo ($a) . ($a+1).($a+1); ?>

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)
8.3.60.0070.01416.75
8.3.50.0110.01122.01
8.3.40.0070.00718.67
8.3.30.0060.00918.96
8.3.20.0000.00720.25
8.3.10.0040.00421.79
8.3.00.0040.00419.02
8.2.180.0110.00417.96
8.2.170.0110.00422.96
8.2.160.0000.01420.36
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00819.66
8.2.110.0070.00319.24
8.2.100.0040.00817.75
8.2.90.0060.00318.95
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0050.00319.94
8.2.30.0000.00718.05
8.2.20.0080.00017.67
8.2.10.0040.00418.07
8.2.00.0070.00017.54
8.1.280.0140.00325.92
8.1.270.0060.00320.65
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.19
8.1.230.0090.00317.42
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0080.00020.37
8.1.160.0050.00321.91
8.1.150.0000.00918.93
8.1.140.0040.00417.44
8.1.130.0030.00317.81
8.1.120.0000.00817.38
8.1.110.0000.00817.45
8.1.100.0040.00417.35
8.1.90.0070.00017.35
8.1.80.0040.00417.46
8.1.70.0070.00017.47
8.1.60.0090.00017.60
8.1.50.0050.00317.52
8.1.40.0040.00417.50
8.1.30.0050.00317.68
8.1.20.0050.00217.57
8.1.10.0000.00817.48
8.1.00.0000.00717.39
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.39
8.0.270.0070.00017.25
8.0.260.0000.00817.23
8.0.250.0000.00616.89
8.0.240.0000.00716.96
8.0.230.0000.00716.82
8.0.220.0070.00016.90
8.0.210.0000.00716.94
8.0.200.0000.00716.96
8.0.190.0050.00316.81
8.0.180.0030.00516.84
8.0.170.0040.00416.80
8.0.160.0070.00016.84
8.0.150.0070.00016.80
8.0.140.0000.00816.89
8.0.130.0000.00613.30
8.0.120.0070.00016.82
8.0.110.0040.00416.95
8.0.100.0000.00716.76
8.0.90.0040.00416.85
8.0.80.0070.00716.92
8.0.70.0060.00316.69
8.0.60.0070.00016.77
8.0.50.0070.00016.81
8.0.30.0130.01316.90
8.0.20.0160.00517.40
8.0.10.0000.00716.81
8.0.00.0090.00816.85
7.4.330.0000.00615.03
7.4.320.0000.00616.45
7.4.300.0000.00716.59
7.4.290.0030.00516.63
7.4.280.0040.00416.48
7.4.270.0060.00016.57
7.4.260.0070.00016.47
7.4.250.0000.00716.31
7.4.240.0030.00316.48
7.4.230.0000.00716.27
7.4.220.0100.01016.49
7.4.210.0070.00716.45
7.4.200.0040.00416.32
7.4.160.0100.01016.47
7.4.150.0080.01117.40
7.4.140.0120.00517.86
7.4.130.0110.00616.47
7.4.120.0100.01016.43
7.4.110.0070.01016.45
7.4.100.0070.01016.43
7.4.90.0070.01016.35
7.4.80.0120.00619.39
7.4.70.0000.01816.36
7.4.60.0160.00016.50
7.4.50.0080.00016.35
7.4.40.0070.01716.39
7.4.30.0160.00016.38
7.4.00.0070.00715.05
7.3.330.0030.00313.18
7.3.320.0120.00013.08
7.3.310.0050.00216.12
7.3.300.0040.00416.28
7.3.290.0020.01116.32
7.3.280.0110.00716.26
7.3.270.0030.01317.40
7.3.260.0140.00316.28
7.3.250.0110.00616.48
7.3.240.0100.01316.75
7.3.230.0030.02016.39
7.3.210.0060.01016.47
7.3.200.0070.01019.39
7.3.190.0130.00316.42
7.3.180.0060.00916.50
7.3.170.0130.00316.27
7.3.160.0080.01616.53
7.2.330.0000.01716.41
7.2.320.0170.01016.76
7.2.310.0070.01816.75
7.2.300.0130.01016.36
7.2.290.0130.00316.59
7.1.100.0150.00418.19
7.1.70.0100.00617.07
7.1.60.0070.01719.46
7.1.50.0110.01116.83
7.1.00.0070.07322.41
7.0.200.0540.00714.57
7.0.140.0030.05722.15
7.0.60.0070.09019.91
7.0.50.0070.08017.90
7.0.40.0130.08319.89
7.0.30.0270.07319.96
7.0.20.0370.07720.17
7.0.10.0230.04720.02
7.0.00.0100.08720.33
5.6.280.0030.07020.90
5.6.210.0100.07720.65
5.6.200.0170.04718.08
5.6.190.0030.09020.64
5.6.180.0200.08020.24
5.6.170.0430.06720.51
5.6.160.0030.07720.70
5.6.150.0070.08018.20
5.6.140.0100.05718.18
5.6.130.0030.07318.18
5.6.120.0070.08720.89
5.6.110.0170.06020.99
5.6.100.0130.08020.97
5.6.90.0130.07320.96
5.6.80.0070.05320.38
5.6.70.0200.07720.39
5.5.350.0070.06720.39
5.5.340.0130.07017.88
5.5.330.0100.07020.37
5.5.320.0070.08320.23
5.5.310.0300.07320.26
5.5.300.0130.04718.02
5.5.290.0100.06317.94
5.5.280.0070.06720.88
5.5.270.0100.08320.94
5.5.260.0130.07720.72
5.5.250.0200.07320.68
5.5.240.0100.07720.32
5.4.450.0600.06019.34
5.4.440.1200.07019.60
5.4.430.0930.06319.61
5.4.420.0670.06019.64
5.4.410.0830.05319.00
5.4.400.0130.05718.77
5.4.390.0030.06018.72
5.4.380.0100.05718.59
5.4.370.0130.05318.68
5.4.360.0270.04018.63
5.4.350.0070.06318.52
5.4.340.0130.05318.59
5.4.320.0230.04718.73
5.4.310.0230.04318.56
5.4.300.0070.06018.73
5.4.290.0130.05318.59
5.4.280.0170.05018.66
5.4.270.0030.06318.60
5.4.260.0100.05718.68
5.4.250.0100.05718.48
5.4.240.1030.04718.73
5.4.230.0700.06718.55
5.4.220.0770.05318.66
5.4.210.0900.05018.63
5.4.200.0870.05016.48
5.4.190.0830.05718.50
5.4.180.0730.05718.77
5.4.170.0770.05718.47
5.4.160.0830.04718.75
5.4.150.0830.05318.48
5.4.140.0800.05716.31
5.4.130.0730.05316.29
5.4.120.0930.04316.35
5.4.110.0900.05016.19
5.4.100.0830.04716.24
5.4.90.0800.05016.06
5.4.80.0770.04716.02
5.4.70.0700.05316.32
5.4.60.0700.05316.23
5.4.50.0930.04716.33
5.4.40.0900.04716.21
5.4.30.0770.05016.17
5.4.20.0770.05016.09
5.4.10.0700.05316.22
5.4.00.0730.04715.70
5.3.290.0670.06714.61
5.3.280.0700.05714.59
5.3.270.0830.04714.58
5.3.260.0870.04014.69
5.3.250.0770.05014.59
5.3.240.0700.06314.65
5.3.230.0770.05714.57
5.3.220.0670.05714.51
5.3.210.0770.05314.65
5.3.200.0730.05014.51
5.3.190.0670.05314.57
5.3.180.0870.04014.51
5.3.170.0700.05714.57
5.3.160.0870.04014.49
5.3.150.0930.05014.45
5.3.140.1000.06314.50
5.3.130.0900.04714.54
5.3.120.0870.04314.63
5.3.110.0830.05714.44
5.3.100.0770.05014.04
5.3.90.0700.05314.09
5.3.80.0900.04314.11
5.3.70.0800.04713.91
5.3.60.0730.05014.07
5.3.50.0670.06313.93
5.3.40.0730.05313.97
5.3.30.0770.04313.87
5.3.20.0700.05013.68
5.3.10.0730.05313.63
5.3.00.0770.05313.62
5.2.170.0730.04011.21
5.2.160.0600.04011.10
5.2.150.0570.04711.14
5.2.140.0600.04311.18
5.2.130.0700.03711.01
5.2.120.0700.04011.13
5.2.110.0730.04011.13
5.2.100.0770.03711.02
5.2.90.0700.04311.13
5.2.80.0730.04311.06
5.2.70.0770.04011.08
5.2.60.0670.04010.98
5.2.50.0600.04011.06
5.2.40.0570.03011.14
5.2.30.0570.04011.12
5.2.20.0530.04711.09
5.2.10.0570.04010.92
5.2.00.0600.04010.79
5.1.60.0530.03710.08
5.1.50.0570.04010.17
5.1.40.0570.0339.99
5.1.30.0630.03010.37
5.1.20.0630.03310.39
5.1.10.0630.03010.26
5.1.00.0500.03710.04
5.0.50.0270.0278.56
5.0.40.0230.0308.45
5.0.30.0230.0438.23
5.0.20.0270.0278.33
5.0.10.0270.0278.25
5.0.00.0270.0478.14
4.4.90.0330.0175.95
4.4.80.0230.0235.93
4.4.70.0300.0175.89
4.4.60.0300.0235.88
4.4.50.0270.0205.92
4.4.40.0270.0375.88
4.4.30.0370.0175.88
4.4.20.0270.0205.92
4.4.10.0270.0205.97
4.4.00.0230.0375.88
4.3.110.0230.0235.83
4.3.100.0300.0305.82
4.3.90.0300.0205.79
4.3.80.0200.0375.90
4.3.70.0270.0205.77
4.3.60.0230.0275.77
4.3.50.0230.0235.79
4.3.40.0270.0335.73
4.3.30.0100.0234.60
4.3.20.0100.0234.60
4.3.10.0100.0234.60
4.3.00.0070.0236.96

preferences:
64.99 ms | 401 KiB | 5 Q