3v4l.org

run code in 300+ PHP versions simultaneously
<?php $GLOBALS["x"] = $GLOBALS["x"] ?? []; var_dump($GLOBALS["x"]); $GLOBALS["y"] ??= []; var_dump($GLOBALS["y"]);

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)
8.4.120.0090.01122.23
8.4.110.0120.00420.45
8.4.100.0160.00517.65
8.4.90.0130.00717.75
8.4.80.0130.00717.44
8.4.70.0090.00617.17
8.4.60.0100.00920.50
8.4.50.0120.00617.51
8.4.40.0140.00717.58
8.4.30.0120.00320.44
8.4.20.0110.01117.82
8.4.10.0100.00019.38
8.3.250.0100.01019.03
8.3.240.0090.00716.50
8.3.230.0090.01116.53
8.3.220.0020.00717.28
8.3.210.0070.00716.61
8.3.200.0080.00616.80
8.3.190.0150.00517.29
8.3.180.0050.01316.55
8.3.170.0110.00716.59
8.3.160.0160.00316.70
8.3.150.0180.00017.27
8.3.140.0120.00618.46
8.3.130.0030.00516.50
8.3.120.0160.00320.68
8.3.110.0040.00420.94
8.3.100.0090.00024.06
8.3.90.0130.00326.77
8.3.80.0100.00016.50
8.3.70.0090.01616.58
8.3.60.0070.00716.50
8.3.50.0160.00020.03
8.3.40.0170.00318.65
8.3.30.0110.00418.36
8.3.20.0040.00424.18
8.3.10.0030.00524.66
8.3.00.0050.00326.16
8.2.290.0060.01120.46
8.2.280.0130.00618.11
8.2.270.0110.00717.35
8.2.260.0070.01118.10
8.2.250.0060.00318.22
8.2.240.0040.00817.06
8.2.230.0040.00422.58
8.2.220.0040.00737.54
8.2.210.0090.00026.77
8.2.200.0060.00316.38
8.2.190.0090.00616.58
8.2.180.0110.00725.92
8.2.170.0070.00718.91
8.2.160.0060.00922.96
8.2.150.0040.00425.66
8.2.140.0000.00724.66
8.2.130.0060.00326.16
8.2.120.0060.00617.92
8.2.110.0090.00020.39
8.2.100.0080.00417.78
8.2.90.0040.00418.02
8.2.80.0040.00418.73
8.2.70.0060.00317.50
8.2.60.0040.00417.93
8.2.50.0070.00318.07
8.2.40.0030.00519.66
8.2.30.0040.00417.67
8.2.20.0030.00320.49
8.2.10.0040.00417.66
8.2.00.0000.00719.30
8.1.330.0110.00616.52
8.1.320.0110.00718.41
8.1.310.0030.01418.18
8.1.300.0090.00920.01
8.1.290.0080.00018.88
8.1.280.0150.00625.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0080.00322.03
8.1.230.0070.00420.79
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00717.23
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0080.00018.84
8.1.160.0050.00218.91
8.1.150.0040.00418.65
8.1.140.0040.00417.41
8.1.130.0050.00217.43
8.1.120.0040.00417.41
8.1.110.0050.00317.46
8.1.100.0080.00017.42
8.1.90.0040.00417.46
8.1.80.0040.00417.51
8.1.70.0000.00717.49
8.1.60.0050.00317.49
8.1.50.0040.00417.54
8.1.40.0000.00817.34
8.1.30.0000.00817.64
8.1.20.0110.00517.62
8.1.10.0070.00617.44
8.1.00.0080.00717.33
8.0.300.0080.00018.77
8.0.290.0050.00216.75
8.0.280.0030.00518.31
8.0.270.0070.00016.66
8.0.260.0000.00716.67
8.0.250.0050.00216.92
8.0.240.0040.00416.80
8.0.230.0070.00016.75
8.0.220.0000.00816.71
8.0.210.0030.00316.73
8.0.200.0060.00016.84
8.0.190.0090.00016.93
8.0.180.0000.00816.77
8.0.170.0000.00916.87
8.0.160.0050.00316.77
8.0.150.0020.00616.73
8.0.140.0110.00516.72
8.0.130.0090.00716.63
8.0.120.0130.00416.83
8.0.110.0160.00516.82
8.0.100.0190.00416.79
8.0.90.0160.00716.73
8.0.80.0160.00516.76
8.0.70.0170.00516.71
8.0.60.0200.00116.71
8.0.50.0120.00816.70
8.0.30.0180.00116.67
8.0.20.0140.00616.85
8.0.10.0120.00516.89
8.0.00.0090.00417.00
7.4.330.0000.00515.55
7.4.320.0000.00716.61
7.4.300.0030.00316.49
7.4.290.0000.00716.43
7.4.280.0040.00416.63
7.4.270.0020.00616.55
7.4.260.0180.00416.52
7.4.250.0160.00816.56
7.4.240.0150.00716.44
7.4.230.0150.00416.35
7.4.220.0080.00816.45
7.4.210.0150.00416.46
7.4.200.0140.00216.44
7.4.190.0140.00116.62
7.4.180.0170.00316.55
7.4.160.0170.00416.53
7.4.150.0120.00916.46
7.4.140.0190.00416.44
7.4.130.0140.00716.38
7.4.120.0130.00516.31
7.4.110.0110.00716.48
7.4.100.0140.00516.37
7.4.90.0110.00516.37
7.4.80.0120.00316.46
7.4.70.0160.00216.29
7.4.60.0180.00116.32
7.4.50.0190.00216.29
7.4.40.0170.00216.22
7.4.30.0150.00416.33
7.4.20.0120.00616.45
7.4.10.0140.00416.37
7.4.00.0140.00416.48
7.3.330.0120.00816.18
7.3.320.0130.00716.04
7.3.310.0180.00316.20
7.3.300.0200.00216.05
7.3.290.0090.00715.99
7.3.280.0130.00216.08
7.3.270.0110.00516.19
7.3.260.0180.00316.21
7.3.250.0230.00216.04
7.3.240.0120.00916.03
7.3.230.0200.00616.08
7.3.220.0170.00516.02
7.3.210.0140.00416.04
7.3.200.0090.00815.97
7.3.190.0100.00616.18
7.3.180.0130.00416.12
7.3.170.0100.00616.01
7.3.160.0100.00815.98
7.3.150.0140.00415.97
7.3.140.0140.00616.00
7.3.130.0120.00616.02
7.3.120.0110.00615.98
7.3.110.0150.00216.02
7.3.100.0110.00715.83
7.3.90.0120.00616.24
7.3.80.0130.00416.04
7.3.70.0150.00115.97
7.3.60.0110.00516.13
7.3.50.0150.00316.08
7.3.40.0120.00816.03
7.3.30.0140.00216.06
7.3.20.0140.00317.83
7.3.10.0140.00417.94
7.3.00.0130.00517.79
7.2.340.0140.00615.87
7.2.330.0190.00416.18
7.2.320.0220.00016.11
7.2.310.0150.00916.09
7.2.300.0170.00716.14
7.2.290.0210.00416.03
7.2.280.0210.00316.15
7.2.270.0220.00316.16
7.2.260.0180.00716.02
7.2.250.0210.00316.17
7.2.240.0190.00316.18
7.2.230.0250.00015.89
7.2.220.0230.00315.99
7.2.210.0130.01016.19
7.2.200.0260.00016.23
7.2.190.0230.00316.05
7.2.180.0150.00916.29
7.2.170.0170.00616.21
7.2.160.0170.00416.21
7.2.150.0200.00418.20
7.2.140.0250.00018.22
7.2.130.0200.00318.35
7.2.120.0220.00418.22
7.2.110.0160.01018.31
7.2.100.0160.00918.21
7.2.90.0210.00418.09
7.2.80.0250.00018.32
7.2.70.0160.00918.23
7.2.60.0150.00818.08
7.2.50.0170.00718.31
7.2.40.0240.00018.14
7.2.30.0220.00418.18
7.2.20.0270.00318.16
7.2.10.0170.01118.06
7.2.00.0200.00718.32
7.1.330.0200.00317.08
7.1.320.0190.00617.07
7.1.310.0160.00817.21
7.1.300.0230.00217.03
7.1.290.0160.00917.23
7.1.280.0190.00517.20
7.1.270.0190.00417.17
7.1.260.0160.00617.15
7.1.250.0180.00417.00
7.1.240.0170.00616.85
7.1.230.0130.00716.98
7.1.220.0170.00317.07
7.1.210.0200.00017.11
7.1.200.0130.00616.88
7.1.190.0190.00416.99
7.1.180.0120.00617.08
7.1.170.0180.00316.92
7.1.160.0170.00316.96
7.1.150.0160.00517.07
7.1.140.0130.00517.14
7.1.130.0180.00316.97
7.1.120.0200.00016.89
7.1.110.0190.00017.07
7.1.100.0040.01616.78
7.1.90.0140.00616.84
7.1.80.0170.00417.07
7.1.70.0140.00516.89
7.1.60.0160.00416.86
7.1.50.0150.00517.07
7.1.40.0140.00617.10
7.1.30.0080.01117.17
7.1.20.0190.00317.14
7.1.10.0170.00317.12
7.1.00.0170.00416.98
7.0.330.0150.00416.88
7.0.320.0150.00416.58
7.0.310.0150.00416.72
7.0.300.0130.00716.90
7.0.290.0130.00716.55
7.0.280.0150.00416.90
7.0.270.0080.01116.79
7.0.260.0160.00316.64
7.0.250.0200.00016.93
7.0.240.0150.00416.88
7.0.230.0170.00317.03
7.0.220.0150.00516.96
7.0.210.0090.00916.84
7.0.200.0140.00316.98
7.0.190.0190.00016.91
7.0.180.0190.00016.88
7.0.170.0150.00416.95
7.0.160.0170.00316.70
7.0.150.0160.00316.72
7.0.140.0160.00416.91
7.0.130.0160.00317.04
7.0.120.0120.00816.69
7.0.110.0130.00516.93
7.0.100.0080.01016.64
7.0.90.0060.01316.75
7.0.80.0140.00616.62
7.0.70.0120.00716.77
7.0.60.0160.00316.94
7.0.50.0140.00416.82
7.0.40.0130.00616.60
7.0.30.0160.00416.70
7.0.20.0170.00016.82
7.0.10.0200.00016.93
7.0.00.0130.00516.70
5.6.400.0120.00615.55
5.6.390.0170.00315.43
5.6.380.0150.00315.66
5.6.370.0120.00815.40
5.6.360.0150.00315.54
5.6.350.0160.00315.61
5.6.340.0140.00515.59
5.6.330.0180.00015.63
5.6.320.0150.00315.66
5.6.310.0140.00515.59
5.6.300.0120.00715.30
5.6.290.0120.00615.35
5.6.280.0190.00015.35
5.6.270.0090.00915.63
5.6.260.0150.00415.64
5.6.250.0150.00315.32
5.6.240.0140.00415.41
5.6.230.0110.00815.70
5.6.220.0120.00615.56
5.6.210.0140.00615.38
5.6.200.0200.00015.77
5.6.190.0160.00415.69
5.6.180.0080.01115.53
5.6.170.0110.00915.62
5.6.160.0140.00515.68
5.6.150.0170.00315.74
5.6.140.0130.00715.45
5.6.130.0150.00315.48
5.6.120.0160.00315.55
5.6.110.0180.00015.57
5.6.100.0160.00415.52
5.6.90.0170.00015.40
5.6.80.0110.00615.40
5.6.70.0160.00015.64
5.6.60.0110.00615.49
5.6.50.0040.01215.47
5.6.40.0100.00715.54
5.6.30.0150.00315.41
5.6.20.0120.00615.56
5.6.10.0150.00315.40
5.6.00.0120.00615.58
5.5.380.0130.00515.47
5.5.370.0130.00515.46
5.5.360.0150.00415.43
5.5.350.0080.01215.61
5.5.340.0150.00415.44
5.5.330.0110.00815.28
5.5.320.0130.00615.43
5.5.310.0120.00515.25
5.5.300.0180.00015.59
5.5.290.0120.00615.29
5.5.280.0130.00515.63
5.5.270.0110.00815.57
5.5.260.0140.00515.43
5.5.250.0160.00415.54
5.5.240.0180.00015.49
5.5.230.0150.00215.74
5.5.220.0180.00015.50
5.5.210.0120.00515.52
5.5.200.0110.00615.50
5.5.190.0090.00915.44
5.5.180.0170.00015.31
5.5.170.0090.00915.20
5.5.160.0140.00315.35
5.5.150.0150.00415.29
5.5.140.0110.00615.18
5.5.130.0110.00515.09
5.5.120.0130.00315.18
5.5.110.0130.00415.03
5.5.100.0180.00015.48
5.5.90.0150.00315.58
5.5.80.0140.00315.63
5.5.70.0150.00315.30
5.5.60.0140.00415.52
5.5.50.0140.00415.33
5.5.40.0130.00615.55
5.5.30.0140.00315.42
5.5.20.0100.00715.64
5.5.10.0120.00615.61
5.5.00.0180.00315.32
5.4.450.0100.00312.25
5.4.440.0070.00812.49
5.4.430.0150.00012.35
5.4.420.0150.00012.39
5.4.410.0090.00612.31
5.4.400.0100.00512.45
5.4.390.0080.00512.31
5.4.380.0150.00312.38
5.4.370.0150.00012.53
5.4.360.0110.00312.42
5.4.350.0110.00412.19
5.4.340.0050.01012.29
5.4.330.0120.00312.19
5.4.320.0120.00212.21
5.4.310.0120.00312.53
5.4.300.0110.00412.23
5.4.290.0130.00312.21
5.4.280.0060.00612.58
5.4.270.0150.00012.36
5.4.260.0160.00012.15
5.4.250.0160.00012.37
5.4.240.0110.00412.47
5.4.230.0140.00012.06
5.4.220.0130.00012.10
5.4.210.0090.00612.18
5.4.200.0120.00312.14
5.4.190.0080.00612.15
5.4.180.0120.00311.95
5.4.170.0140.00312.24
5.4.160.0170.00012.24
5.4.150.0150.00012.28
5.4.140.0150.00012.37
5.4.130.0140.00012.43
5.4.120.0090.00612.42
5.4.110.0120.00412.24
5.4.100.0140.00312.57
5.4.90.0140.00312.18
5.4.80.0130.00412.63
5.4.70.0090.00512.25
5.4.60.0170.00012.63
5.4.50.0090.00612.29
5.4.40.0150.00012.14
5.4.30.0110.00612.19
5.4.20.0120.00212.57
5.4.10.0140.00512.34
5.4.00.0140.00012.26
5.3.290.0090.00512.62
5.3.280.0150.00312.86
5.3.270.0170.00012.53
5.3.260.0160.00012.55
5.3.250.0150.00312.59
5.3.240.0100.00712.71
5.3.230.0150.00212.84
5.3.220.0180.00012.84
5.3.210.0140.00312.59
5.3.200.0140.00212.50
5.3.190.0190.00012.91
5.3.180.0180.00012.95
5.3.170.0130.00512.80
5.3.160.0140.00012.96
5.3.150.0170.00213.05
5.3.140.0130.00412.73
5.3.130.0110.00712.61
5.3.120.0070.00712.73
5.3.110.0160.00312.89
5.3.100.0120.00812.93
5.3.90.0130.00412.87
5.3.80.0100.00612.66
5.3.70.0120.00012.67
5.3.60.0130.00412.70
5.3.50.0170.00012.80
5.3.40.0070.00812.80
5.3.30.0100.00312.80
5.3.20.0130.00312.83
5.3.10.0130.00312.60
5.3.00.0110.00512.43
5.2.170.0090.00411.64
5.2.160.0130.00011.64
5.2.150.0140.00011.87
5.2.140.0060.00611.58
5.2.130.0100.00311.84
5.2.120.0100.00411.73
5.2.110.0100.00211.66
5.2.100.0080.00511.61
5.2.90.0090.00811.82
5.2.80.0110.00311.77
5.2.70.0100.00711.51
5.2.60.0120.00311.43
5.2.50.0120.00011.82
5.2.40.0120.00211.80
5.2.30.0100.00211.49
5.2.20.0070.00711.61
5.2.10.0060.00611.28
5.2.00.0090.00311.27
5.1.60.0090.00310.91
5.1.50.0090.00310.63
5.1.40.0050.00510.71
5.1.30.0060.00211.03
5.1.20.0110.00410.94
5.1.10.0070.00410.67
5.1.00.0110.00010.55
5.0.50.0080.0039.95
5.0.40.0030.0079.95
5.0.30.0070.0039.95
5.0.20.0000.0089.95
5.0.10.0060.0049.95
5.0.00.0050.0059.95
4.4.90.0000.0059.95
4.4.80.0070.0009.95
4.4.70.0060.0009.95
4.4.60.0050.0009.95
4.4.50.0040.0009.95
4.4.40.0060.0009.95
4.4.30.0060.0009.95
4.4.20.0050.0009.95
4.4.10.0040.0039.95
4.4.00.0040.0019.95
4.3.110.0000.0069.95
4.3.100.0070.0009.95
4.3.90.0000.0059.95
4.3.80.0020.0029.95
4.3.70.0050.0029.95
4.3.60.0050.0009.95
4.3.50.0040.0029.95
4.3.40.0050.0009.95
4.3.30.0040.0009.95
4.3.20.0040.0009.95
4.3.10.0030.0009.95
4.3.00.0040.0009.95

preferences:
31.65 ms | 403 KiB | 5 Q