3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("abcdef", 0, -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)
8.3.60.0180.00018.30
8.3.50.0090.01221.92
8.3.40.0180.00318.46
8.3.30.0110.00718.50
8.3.20.0090.00018.60
8.3.10.0040.00421.02
8.3.00.0080.00021.77
8.2.180.0090.00916.48
8.2.170.0040.01122.96
8.2.160.0110.00420.44
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.04
8.2.110.0070.00320.40
8.2.100.0060.00617.76
8.2.90.0070.00019.23
8.2.80.0000.00917.97
8.2.70.0060.00617.50
8.2.60.0040.00417.78
8.2.50.0030.00618.07
8.2.40.0090.00018.22
8.2.30.0000.00719.37
8.2.20.0000.00817.50
8.2.10.0000.00717.43
8.2.00.0060.00317.41
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0060.00622.33
8.1.230.0090.00320.96
8.1.220.0040.00418.77
8.1.210.0060.00318.97
8.1.200.0090.00017.10
8.1.190.0060.00317.41
8.1.180.0040.00418.10
8.1.170.0030.00618.46
8.1.160.0030.00618.79
8.1.150.0030.00318.50
8.1.140.0050.00217.27
8.1.130.0000.00717.66
8.1.120.0050.00217.34
8.1.110.0000.00817.23
8.1.100.0050.00217.29
8.1.90.0030.00417.38
8.1.80.0030.00317.21
8.1.70.0050.00217.35
8.1.60.0030.00617.45
8.1.50.0000.00817.39
8.1.40.0070.00017.29
8.1.30.0060.00317.48
8.1.20.0000.00817.52
8.1.10.0040.00417.40
8.1.00.0000.00717.30
8.0.300.0000.00719.94
8.0.290.0000.00917.02
8.0.280.0000.00718.24
8.0.270.0000.00716.75
8.0.260.0060.00316.64
8.0.250.0040.00416.89
8.0.240.0000.00916.92
8.0.230.0070.00016.84
8.0.220.0050.00216.80
8.0.210.0040.00416.68
8.0.200.0000.00716.79
8.0.190.0050.00216.76
8.0.180.0030.00316.66
8.0.170.0030.00516.67
8.0.160.0000.00716.72
8.0.150.0040.00416.74
8.0.140.0000.00716.55
8.0.130.0000.00513.23
8.0.120.0000.00716.73
8.0.110.0030.00516.77
8.0.100.0050.00216.65
8.0.90.0000.00716.79
8.0.80.0090.00616.70
8.0.70.0000.00816.79
8.0.60.0000.00816.57
8.0.50.0070.00016.58
8.0.30.0140.00516.95
8.0.20.0130.00517.40
8.0.10.0040.00416.89
8.0.00.0100.01016.62
7.4.330.0000.00616.73
7.4.320.0000.00616.45
7.4.300.0000.00816.37
7.4.290.0000.00716.38
7.4.280.0050.00316.49
7.4.270.0000.00716.27
7.4.260.0000.00613.11
7.4.250.0080.00016.37
7.4.240.0000.00716.31
7.4.230.0030.00316.21
7.4.220.0160.02516.37
7.4.210.0060.01016.45
7.4.200.0040.00416.48
7.4.190.0000.00716.42
7.4.160.0180.00416.27
7.4.150.0030.01617.40
7.4.140.0030.01417.86
7.4.130.0090.00816.27
7.4.120.0080.00816.43
7.4.110.0030.01416.35
7.4.100.0100.00616.36
7.4.90.0100.00716.55
7.4.80.0000.01719.39
7.4.70.0070.00916.46
7.4.60.0130.00916.25
7.4.50.0000.00916.24
7.4.40.0040.01122.77
7.4.30.0130.00616.36
7.4.00.0070.00714.90
7.3.330.0000.00512.96
7.3.320.0000.00512.91
7.3.310.0030.00316.20
7.3.300.0060.00016.11
7.3.290.0080.00816.14
7.3.280.0080.00916.15
7.3.270.0030.01217.40
7.3.260.0110.01018.24
7.3.250.0130.00716.20
7.3.240.0130.00316.23
7.3.230.0120.00416.47
7.3.210.0100.00716.40
7.3.200.0100.00716.43
7.3.190.0060.01116.25
7.3.180.0090.00616.32
7.3.170.0000.01716.43
7.3.160.0130.00316.32
7.3.120.0080.00814.72
7.3.40.0130.00014.49
7.3.30.0070.00714.46
7.3.20.0160.00616.53
7.3.10.0030.01016.49
7.3.00.0000.01416.53
7.2.330.0070.01016.51
7.2.320.0070.01016.36
7.2.310.0070.01116.45
7.2.300.0030.01316.30
7.2.290.0060.00916.47
7.2.170.0090.00614.61
7.2.160.0130.00614.92
7.2.150.0060.00916.78
7.2.140.0070.00716.77
7.2.130.0050.01016.89
7.2.120.0030.01016.59
7.2.110.0150.00316.86
7.2.100.0080.00416.76
7.2.90.0090.00616.53
7.2.80.0090.00616.79
7.2.70.0100.00316.89
7.2.60.0070.00716.60
7.2.50.0110.00316.71
7.2.40.0080.01216.73
7.2.30.0100.01316.74
7.2.20.0180.00316.90
7.2.10.0030.01016.82
7.2.00.0110.00818.11
7.1.280.0120.00615.74
7.1.270.0030.01015.67
7.1.260.0080.00415.58
7.1.250.0070.00715.63
7.1.240.0060.00615.72
7.1.230.0030.00715.78
7.1.220.0030.00715.27
7.1.210.0070.00715.44
7.1.200.0100.00815.35
7.1.190.0130.00015.46
7.1.180.0080.00415.64
7.1.170.0090.00315.54
7.1.160.0040.00815.51
7.1.150.0040.00715.72
7.1.140.0110.01115.53
7.1.130.0070.00715.58
7.1.120.0100.01015.55
7.1.110.0070.01415.36
7.1.100.0060.00616.79
7.1.90.0060.01615.60
7.1.80.0030.00715.53
7.1.70.0040.00716.15
7.1.60.0020.01717.46
7.1.50.0060.01516.33
7.1.40.0120.00615.64
7.1.30.0090.00415.55
7.1.20.0000.01115.28
7.1.10.0030.01215.63
7.1.00.0100.03818.95
7.0.330.0030.01015.37
7.0.320.0130.00015.29
7.0.310.0030.00915.22
7.0.300.0060.01414.89
7.0.290.0100.00015.17
7.0.280.0170.00315.29
7.0.270.0000.00914.98
7.0.260.0060.00615.21
7.0.250.0060.00615.18
7.0.240.0110.00015.14
7.0.230.0030.00915.29
7.0.220.0030.00915.28
7.0.210.0030.00615.02
7.0.200.0050.00415.98
7.0.190.0140.00915.20
7.0.180.0040.00815.25
7.0.170.0120.00614.91
7.0.160.0100.00015.40
7.0.150.0070.00314.94
7.0.140.0050.04018.57
7.0.130.0060.00614.98
7.0.120.0060.00614.75
7.0.110.0050.00815.36
7.0.100.0140.00315.02
7.0.90.0080.00315.22
7.0.80.0040.00814.58
7.0.70.0100.01015.09
7.0.60.0180.04017.38
7.0.50.0090.02016.45
7.0.40.0090.03117.88
7.0.30.0100.05017.78
7.0.20.0160.04216.73
7.0.10.0070.05217.65
7.0.00.0130.04117.76
5.6.400.0030.01114.34
5.6.390.0080.00813.70
5.6.380.0030.01713.86
5.6.370.0070.01014.07
5.6.360.0090.01314.45
5.6.350.0100.01514.17
5.6.340.0100.02114.21
5.6.330.0140.01014.22
5.6.320.0150.00914.43
5.6.310.0210.00713.97
5.6.300.0080.01614.27
5.6.290.0110.00814.08
5.6.280.0080.03917.66
5.6.270.0130.00514.10
5.6.260.0090.01014.28
5.6.250.0050.01614.21
5.6.240.0080.01214.45
5.6.230.0130.01014.32
5.6.220.0140.00414.30
5.6.210.0060.05017.38
5.6.200.0100.03516.15
5.6.190.0130.04717.27
5.6.180.0070.03217.28
5.6.170.0090.04517.32
5.6.160.0140.04317.45
5.6.150.0210.03517.28
5.6.140.0170.04317.30
5.6.130.0130.03017.32
5.6.120.0170.03817.27
5.6.110.0070.03417.21
5.6.100.0070.03417.22
5.6.90.0110.04617.25
5.6.80.0140.04516.71
5.6.70.0100.04216.87
5.6.60.0080.04216.94
5.6.50.0070.03216.85
5.6.40.0080.03716.91
5.6.30.0110.03516.97
5.6.20.0120.04216.72
5.6.10.0160.03016.88
5.6.00.0120.04516.82
5.5.380.0130.00414.05
5.5.370.0050.01414.27
5.5.360.0160.01114.09
5.5.350.0050.02717.30
5.5.340.0020.03215.92
5.5.330.0160.04517.11
5.5.320.0140.04017.34
5.5.310.0130.02617.22
5.5.300.0120.05017.27
5.5.290.0140.02817.15
5.5.280.0150.04417.03
5.5.270.0070.02817.04
5.5.260.0140.03117.18
5.5.250.0070.03017.03
5.5.240.0150.03216.76
5.5.230.0100.03316.77
5.5.220.0050.02716.63
5.5.210.0140.03716.75
5.5.200.0130.02916.53
5.5.190.0120.04416.96
5.5.180.0100.02616.83
5.5.170.0150.01514.00
5.5.160.0070.04416.87
5.5.150.0120.04516.65
5.5.140.0120.03416.67
5.5.130.0060.04116.86
5.5.120.0120.04416.90
5.5.110.0190.04216.71
5.5.100.0150.04316.86
5.5.90.0180.02216.56
5.5.80.0120.04116.52
5.5.70.0110.02316.63
5.5.60.0110.04416.76
5.5.50.0070.03516.83
5.5.40.0080.03716.55
5.5.30.0170.02716.77
5.5.20.0130.04516.51
5.5.10.0130.02816.61
5.5.00.0170.03816.62
5.4.450.0110.03815.61
5.4.440.0090.03015.61
5.4.430.0080.04615.46
5.4.420.0050.02515.62
5.4.410.0050.04115.46
5.4.400.0160.03215.30
5.4.390.0030.04315.36
5.4.380.0080.03415.30
5.4.370.0070.02215.39
5.4.360.0070.03715.50
5.4.350.0040.04615.30
5.4.340.0080.04115.46
5.4.330.0130.00511.81
5.4.320.0080.02115.49
5.4.310.0120.03515.44
5.4.300.0100.04115.44
5.4.290.0120.04215.42
5.4.280.0120.02715.46
5.4.270.0130.03315.48
5.4.260.0130.03215.29
5.4.250.0060.02815.48
5.4.240.0060.04215.29
5.4.230.0070.02815.44
5.4.220.0090.04515.44
5.4.210.0070.03715.36
5.4.200.0140.03715.50
5.4.190.0040.04015.29
5.4.180.0120.03615.44
5.4.170.0070.02215.45
5.4.160.0090.03815.45
5.4.150.0110.01815.28
5.4.140.0050.02914.14
5.4.130.0100.04013.98
5.4.120.0080.04214.01
5.4.110.0080.04314.04
5.4.100.0070.03614.08
5.4.90.0050.03314.02
5.4.80.0070.03114.03
5.4.70.0090.02114.04
5.4.60.0100.03814.04
5.4.50.0040.03014.08
5.4.40.0050.02614.06
5.4.30.0120.04114.09
5.4.20.0110.03114.03
5.4.10.0100.04014.05
5.4.00.0080.02613.76
5.3.290.0050.02913.19
5.3.280.0110.02413.16
5.3.270.0100.02313.15
5.3.260.0130.03513.17
5.3.250.0090.03013.17
5.3.240.0070.03213.18
5.3.230.0140.03713.15
5.3.220.0070.03813.15
5.3.210.0060.04513.17
5.3.200.0050.02813.10
5.3.190.0110.03713.16
5.3.180.0100.02713.14
5.3.170.0060.02613.13
5.3.160.0080.04013.19
5.3.150.0070.03613.16
5.3.140.0030.04513.14
5.3.130.0070.04613.15
5.3.120.0070.03513.15
5.3.110.0100.04413.15
5.3.100.0050.02212.90
5.3.90.0060.02412.87
5.3.80.0050.02612.92
5.3.70.0130.03812.87
5.3.60.0130.03912.87
5.3.50.0030.04312.88
5.3.40.0070.02312.78
5.3.30.0060.02612.77
5.3.20.0060.03912.73
5.3.10.0040.03912.69
5.3.00.0050.03212.69

preferences:
36.01 ms | 401 KiB | 5 Q