3v4l.org

run code in 300+ PHP versions simultaneously
<?php class my { public function __toString() { return __CLASS__; } } var_dump(strlen(1), strlen(1.1), strlen(new my), strlen(null));

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)
8.3.60.0100.00316.75
8.3.50.0140.00722.04
8.3.40.0150.00019.02
8.3.30.0070.00718.95
8.3.20.0000.00720.25
8.3.10.0080.00020.58
8.3.00.0000.00819.25
8.2.180.0100.01016.38
8.2.170.0070.00722.96
8.2.160.0000.01420.38
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0030.00622.06
8.2.110.0030.00620.47
8.2.100.0110.00017.91
8.2.90.0050.00319.25
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0030.00517.80
8.2.50.0050.00518.07
8.2.40.0060.00318.09
8.2.30.0040.00418.11
8.2.20.0000.00817.73
8.2.10.0000.00718.11
8.2.00.0050.00317.77
8.1.280.0140.00725.92
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0000.01028.09
8.1.240.0060.00323.75
8.1.230.0080.00318.89
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0080.00017.23
8.1.190.0030.00517.35
8.1.180.0000.00818.10
8.1.170.0050.00318.49
8.1.160.0050.00222.04
8.1.150.0000.00718.80
8.1.140.0040.00417.38
8.1.130.0030.00317.75
8.1.120.0000.00717.36
8.1.110.0040.00417.25
8.1.100.0000.00717.27
8.1.90.0000.00717.38
8.1.80.0040.00417.44
8.1.70.0030.00317.27
8.1.60.0000.00917.54
8.1.50.0080.00017.44
8.1.40.0040.00417.27
8.1.30.0060.00317.56
8.1.20.0050.00217.57
8.1.10.0050.00317.37
8.1.00.0040.00417.45
8.0.300.0050.00318.77
8.0.290.0000.00816.75
8.0.280.0000.00718.30
8.0.270.0040.00417.12
8.0.260.0030.00317.23
8.0.250.0040.00416.91
8.0.240.0030.00316.96
8.0.230.0040.00416.98
8.0.220.0030.00316.87
8.0.210.0000.00716.89
8.0.200.0000.00716.87
8.0.190.0050.00216.95
8.0.180.0000.00716.79
8.0.170.0080.00016.94
8.0.160.0070.00016.77
8.0.150.0030.00416.80
8.0.140.0020.00516.73
8.0.130.0000.00613.26
8.0.120.0000.00716.74
8.0.110.0050.00216.79
8.0.100.0000.00716.89
8.0.90.0000.00816.91
8.0.80.0130.00816.88
8.0.70.0040.00416.75
8.0.60.0040.00416.90
8.0.50.0050.00216.83
8.0.30.0120.00617.09
8.0.20.0070.01217.40
8.0.10.0000.00816.87
8.0.00.0210.01216.73
7.4.330.0000.00515.00
7.4.320.0000.00716.51
7.4.300.0000.00716.51
7.4.290.0000.00716.56
7.4.280.0050.00216.43
7.4.270.0000.00716.32
7.4.260.0070.00016.41
7.4.250.0050.00316.35
7.4.240.0000.00716.48
7.4.230.0050.00216.50
7.4.220.0130.01316.46
7.4.210.0130.00616.47
7.4.200.0000.00816.53
7.4.160.0060.01216.40
7.4.150.0070.01117.40
7.4.140.0100.01017.86
7.4.130.0100.00716.45
7.4.120.0150.00316.43
7.4.110.0070.01016.60
7.4.100.0140.00416.56
7.4.90.0070.01016.40
7.4.80.0080.00819.39
7.4.70.0100.00716.46
7.4.60.0150.00616.34
7.4.50.0080.00016.59
7.4.40.0120.00616.59
7.4.30.0050.01516.47
7.4.00.0060.01014.92
7.3.330.0000.00613.16
7.3.320.0000.00513.36
7.3.310.0030.00316.28
7.3.300.0030.00316.15
7.3.290.0060.00916.25
7.3.280.0060.01316.26
7.3.270.0150.00617.40
7.3.260.0150.00616.29
7.3.250.0080.00816.30
7.3.240.0070.01116.31
7.3.230.0140.00716.39
7.3.210.0090.00916.34
7.3.200.0140.00419.39
7.3.190.0070.01016.10
7.3.180.0060.00916.20
7.3.170.0060.01016.44
7.3.160.0150.00316.15
7.2.330.0070.01016.40
7.2.320.0150.00316.30
7.2.310.0140.00716.43
7.2.300.0070.01516.54
7.2.290.0030.01516.49
7.2.60.0130.00616.56
7.1.200.0060.00615.86
7.1.70.0000.00816.73
7.1.60.0070.01719.32
7.1.50.0120.00916.80
7.1.00.0130.06722.38
7.0.200.0000.00816.38
7.0.140.0000.07722.07
7.0.60.0070.03720.02
7.0.50.0070.08317.86
7.0.40.0070.04020.11
7.0.30.0200.04020.11
7.0.20.0270.07320.15
7.0.10.0130.05020.25
7.0.00.0070.05720.10
5.6.280.0030.07021.08
5.6.210.0030.05020.55
5.6.200.0070.07318.28
5.6.190.0130.04720.52
5.6.180.0030.06020.39
5.6.170.0230.07320.47
5.6.160.0170.07020.50
5.6.150.0030.04318.15
5.6.140.0070.06018.21
5.6.130.0070.04318.18
5.6.120.0030.08021.05
5.6.110.0070.05320.99
5.6.100.0030.06720.98
5.6.90.0030.06721.00
5.6.80.0030.05320.40
5.5.350.0030.09020.41
5.5.340.0200.03318.02
5.5.330.0070.08720.29
5.5.320.0070.04320.28
5.5.310.0330.07020.27
5.5.300.0000.07718.08
5.5.290.0100.07017.93
5.5.280.0070.05020.68
5.5.270.0070.08720.72
5.5.260.0030.09320.78
5.5.250.0030.06320.68
5.5.240.0200.04020.26
5.4.450.0270.05319.57
5.4.440.0330.06019.64
5.4.430.0300.06019.41
5.4.420.0200.05019.51
5.4.410.0230.07319.36
5.4.400.0170.08019.06
5.4.390.0300.05018.96
5.4.380.0300.05319.20
5.4.370.0270.07319.32
5.4.360.0300.06719.25
5.4.350.0300.03019.31
5.4.340.0270.06719.20
5.4.320.0370.02719.16
5.4.310.0200.03319.13
5.4.300.0200.03719.31
5.4.290.0170.03719.08
5.4.280.0170.04019.06
5.4.270.0170.03719.22
5.4.260.0200.04019.30
5.4.250.0300.06718.81
5.4.240.0230.04019.14
5.4.230.0230.03019.21
5.4.220.0170.04018.84
5.4.210.0270.03718.86
5.4.200.0200.03319.05
5.4.190.0170.03719.13
5.4.180.0170.04019.05
5.4.170.0170.03719.15
5.4.160.0230.03018.96
5.4.150.0200.03318.92
5.4.140.0230.03316.32
5.4.130.0230.03316.32
5.4.120.0230.02716.35
5.4.110.0130.04016.51
5.4.100.0200.03016.51
5.4.90.0170.04016.37
5.4.80.0200.03716.54
5.4.70.0400.05316.43
5.4.60.0270.05716.49
5.4.50.0330.03316.48
5.4.40.0200.05316.32
5.4.30.0570.04316.38
5.4.20.0330.05716.51
5.4.10.0270.07316.50
5.4.00.0300.07015.95
5.3.290.0200.04314.57
5.3.280.0230.03014.59
5.3.270.0230.06314.67
5.3.260.0130.04314.67
5.3.250.0200.03714.65
5.3.240.0200.03314.51
5.3.230.0100.04314.50
5.3.220.0270.03014.65
5.3.210.0170.04014.57
5.3.200.0130.04314.72
5.3.190.0270.03714.47
5.3.180.0170.03714.56
5.3.170.0300.06314.61
5.3.160.0300.07014.61
5.3.150.0170.05314.61
5.3.140.0330.06314.54
5.3.130.0470.04714.66
5.3.120.0270.05014.54
5.3.110.0300.07014.76
5.3.100.0400.05314.04
5.3.90.0230.06014.11
5.3.80.0270.04014.18
5.3.70.0330.06313.95
5.3.60.0270.03713.92
5.3.50.0230.04714.17
5.3.40.0370.05313.85
5.3.30.0300.04713.92
5.3.20.0230.04713.69
5.3.10.0230.04713.73
5.3.00.0270.07313.88
5.2.170.0230.03012.37
5.2.160.0170.03712.37
5.2.150.0170.03312.37
5.2.140.0230.06012.37
5.2.130.0170.05012.37
5.2.120.0270.05712.37
5.2.110.0300.05312.37
5.2.100.0230.06012.37
5.2.90.0200.04312.37
5.2.80.0200.03312.37
5.2.70.0300.03312.37
5.2.60.0300.05312.37
5.2.50.0170.05712.37
5.2.40.0200.06712.37
5.2.30.0230.05312.37
5.2.20.0230.04312.37
5.2.10.0170.04012.37
5.2.00.0170.04312.37
5.1.60.0230.02712.37
5.1.50.0130.04312.37
5.1.40.0270.04312.37
5.1.30.0170.03312.37
5.1.20.0130.03312.37
5.1.10.0200.04712.37
5.1.00.0270.04312.37
5.0.50.0130.02712.37
5.0.40.0100.04312.37
5.0.30.0130.04012.37
5.0.20.0100.04012.37
5.0.10.0130.03312.37
5.0.00.0130.05012.37
4.4.90.0100.03012.37
4.4.80.0100.03012.37
4.4.70.0100.03312.37
4.4.60.0130.03012.37
4.4.50.0070.03012.37
4.4.40.0130.05012.37
4.4.30.0070.02312.37
4.4.20.0130.03012.37
4.4.10.0130.01712.37
4.4.00.0100.05312.37
4.3.110.0070.03012.37
4.3.100.0100.03012.37
4.3.90.0070.03712.37
4.3.80.0070.03012.37
4.3.70.0130.02012.37
4.3.60.0100.02312.37
4.3.50.0100.01712.37
4.3.40.0100.02312.37
4.3.30.0000.03312.37
4.3.20.0100.02012.37
4.3.10.0030.03012.37
4.3.00.0130.03012.37

preferences:
41.17 ms | 401 KiB | 5 Q